Repository: FHIR/sushi
Pull request #809 (2021-04-27 14:01:16)

Import CodeSystems with hierarchical codes
Completes task [CIMPL-725](https://standardhealthrecord.atlassian.net/browse/CIMPL-725).

Concepts in a CodeSystem can exist in a hierarchy. This PR adds new FSH syntax to support building such a hierarchy. Additionally, there is new caret value syntax in order to set values on concepts within the hierarchy. This is only the import side, so the export side won't arrange the hierarchy. and it won't do anything with the caret value rules on concepts.

To arrange the hierarchy, list out the concepts that precede the new one in the hierarchy:
```
* #top "Top level concept"
* #top #middle "Concept in middle of hierarchy"
* #top #middle #more "You can keep going with more nesting."
```
The hierarchy must be built in order, and an error is thrown if the supporting hierarchy needed for a concept doesn't exist:
```
* #this #that "Won't work, since the preceding concept doesn't exist"
* #this "If the order of these concept rules were switched, it would work."
```
To set values on concepts that can't be set using normal FSH syntax, the new `CodeCaretValueRule` can be used:
```
* #something "Some concept"
* #something ^property[0].code = "someProperty"
* #something #else "Some other concept"
* #something #else ^designation[0].value = "Nested concepts can be used too."
```
Note that `CodeSystem.concept` does not inherit from `ElementDefinition`, so the set of properties available is a little different.

I implemented this as a new type of rule because of the differences between traversing by structure definition path and traversing by a sequence of concepts. Additionally, this type of rule should only be allowed on CodeSystems and RuleSets, so it did not make sense to me to have this new class inherit from `CaretValueRule`. Storing the path as a dot-separated list of concepts would not be reliable, as a concept's code may contain a `.` character, hence the list of strings.

mint-thompson: @ngfreiter thanks for the review! As far as the interactions with indent blocks, my expectation is that with both this PR and the indent block PR merged in, there will not yet be a way to specify concept hierarchies using indentation. This will have to be added separately, both for defining concepts and for caret value rules on concepts. There will probably need to be a `codePathRule` for CodeSystems that works similarly to `pathRule` for other entities.
jafeltra: This is looking good! I haven't noticed anything else beyond what Nick pointed out, so I'll just plan to review again after any of those updates!
ngfreiter: > I know I approved, but please hold I want to just double check and make sure we've run a regression on this before merging.

No diff!

Patch:
diff --git a/antlr/src/main/antlr/FSH.g4 b/antlr/src/main/antlr/FSH.g4
index d780af1..736e31f 100644
--- a/antlr/src/main/antlr/FSH.g4
+++ b/antlr/src/main/antlr/FSH.g4
@@ -27,10 +27,10 @@ vsMetadata:         id | title | description;
 vsRule:             vsComponent | caretValueRule | insertRule;
 codeSystem:         KW_CODESYSTEM name csMetadata* csRule*;
 csMetadata:         id | title | description;
-csRule:             concept | caretValueRule | insertRule;
+csRule:             concept | caretValueRule | codeCaretValueRule | insertRule;
 
 ruleSet:            KW_RULESET RULESET_REFERENCE ruleSetRule+;
-ruleSetRule:        sdRule | concept | vsComponent;
+ruleSetRule:        sdRule | concept | codeCaretValueRule | vsComponent;
 
 paramRuleSet:       KW_RULESET PARAM_RULESET_REFERENCE paramRuleSetContent;
 paramRuleSetContent:   STAR
@@ -72,6 +72,7 @@ containsRule:       STAR path KW_CONTAINS item (KW_AND item)*;
 onlyRule:           STAR path KW_ONLY targetType (KW_OR targetType)*;
 obeysRule:          STAR path? KW_OBEYS name (KW_AND name)*;
 caretValueRule:     STAR path? caretPath EQUAL value;
+codeCaretValueRule: STAR (CODE)+ caretPath EQUAL value;
 mappingRule:        STAR path? ARROW STRING STRING? CODE?;
 insertRule:         STAR KW_INSERT (RULESET_REFERENCE | PARAM_RULESET_REFERENCE);
 addElementRule:     STAR path CARD flag* targetType (KW_OR targetType)* STRING? STRING?;
@@ -100,7 +101,7 @@ strength:           KW_EXAMPLE | KW_PREFERRED | KW_EXTENSIBLE | KW_REQUIRED;
 value:              STRING | MULTILINE_STRING | NUMBER | DATETIME | TIME | reference | canonical | code | quantity | ratio | bool | name;
 item:               name (KW_NAMED name)? CARD flag*;
 code:               CODE STRING?;
-concept:            STAR code (STRING | MULTILINE_STRING)?;
+concept:            STAR CODE+ STRING? (STRING | MULTILINE_STRING)?;
 quantity:           NUMBER (UNIT | CODE) STRING?;
 ratio:              ratioPart COLON ratioPart;
 reference:          (OR_REFERENCE | PIPE_REFERENCE) STRING?;
diff --git a/src/errors/CodeSystemIncorrectHierarchyError.ts b/src/errors/CodeSystemIncorrectHierarchyError.ts
new file mode 100644
index 0000000..6e4cb93
--- /dev/null
+++ b/src/errors/CodeSystemIncorrectHierarchyError.ts
@@ -0,0 +1,5 @@
+export class CodeSystemIncorrectHierarchyError extends Error {
+  constructor(public system: string, public code: string) {
+    super(`CodeSystem ${system} does not have the specified hierarchy to add code ${code}`);
+  }
+}
diff --git a/src/errors/index.ts b/src/errors/index.ts
index f2806cb..82b8d05 100644
--- a/src/errors/index.ts
+++ b/src/errors/index.ts
@@ -7,6 +7,7 @@ export * from './MismatchedTypeError';
 export * from './CodeAndSystemMismatchError';
 export * from './CodedTypeNotFoundError';
 export * from './CodeSystemDuplicateCodeError';
+export * from './CodeSystemIncorrectHierarchyError';
 export * from './InvalidCanonicalUrlError';
 export * from './InvalidCardinalityError';
 export * from './InvalidDateTimeError';
diff --git a/src/fshtypes/FshCodeSystem.ts b/src/fshtypes/FshCodeSystem.ts
index 218f309..8460a8f 100644
--- a/src/fshtypes/FshCodeSystem.ts
+++ b/src/fshtypes/FshCodeSystem.ts
@@ -1,6 +1,8 @@
 import { FshEntity } from './FshEntity';
 import { CodeSystemDuplicateCodeError } from '../errors/CodeSystemDuplicateCodeError';
+import { CodeSystemIncorrectHierarchyError } from '../errors/CodeSystemIncorrectHierarchyError';
 import { CaretValueRule, InsertRule, ConceptRule } from './rules';
+import isEqual from 'lodash/isEqual';
 
 /**
  * For more information about a CodeSystem in FHIR,
@@ -26,6 +28,24 @@ export class FshCodeSystem extends FshEntity {
     if (this.rules.find(rule => rule instanceof ConceptRule && rule.code == newConcept.code)) {
       throw new CodeSystemDuplicateCodeError(this.id, newConcept.code);
     }
+    // check the hierarchy, if applicable
+    // for each predecessor element in the new concept's hierarchy, we should be able to find a rule that
+    // 1. defines a concept
+    // 2. with the predecessor's code
+    // 3. and a hierarchy equal to everything before it in the new concept's hierarchy
+    newConcept.hierarchy.forEach((predecessor, i) => {
+      if (
+        !this.rules.some(rule => {
+          return (
+            rule instanceof ConceptRule &&
+            rule.code === predecessor &&
+            isEqual(rule.hierarchy, newConcept.hierarchy.slice(0, i))
+          );
+        })
+      ) {
+        throw new CodeSystemIncorrectHierarchyError(this.id, newConcept.code);
+      }
+    });
     this.rules.push(newConcept);
   }
 }
diff --git a/src/fshtypes/rules/CodeCaretValueRule.ts b/src/fshtypes/rules/CodeCaretValueRule.ts
new file mode 100644
index 0000000..44adc90
--- /dev/null
+++ b/src/fshtypes/rules/CodeCaretValueRule.ts
@@ -0,0 +1,16 @@
+import { Rule } from './Rule';
+import { AssignmentValueType } from './AssignmentRule';
+
+export class CodeCaretValueRule extends Rule {
+  caretPath: string;
+  value: AssignmentValueType;
+  isInstance: boolean;
+
+  constructor(public readonly codePath: string[]) {
+    super('');
+  }
+
+  get constructorName() {
+    return 'CodeCaretValueRule';
+  }
+}
diff --git a/src/fshtypes/rules/ConceptRule.ts b/src/fshtypes/rules/ConceptRule.ts
index 17da261..4ef78a9 100644
--- a/src/fshtypes/rules/ConceptRule.ts
+++ b/src/fshtypes/rules/ConceptRule.ts
@@ -4,8 +4,11 @@ export class ConceptRule extends Rule {
   // Allow a system, even though it is unused, to help resolve conflicts between ConceptRule and
   // ValueSetConceptComponentRule on RuleSets
   system: string;
+  // Hierarchical codes may be contained within other codes. A top-level code will have an empty hierarchy.
+  hierarchy: string[];
   constructor(public code: string, public display?: string, public definition?: string) {
     super('');
+    this.hierarchy = [];
   }
 
   get constructorName() {
diff --git a/src/fshtypes/rules/index.ts b/src/fshtypes/rules/index.ts
index c7582fe..7e9965e 100644
--- a/src/fshtypes/rules/index.ts
+++ b/src/fshtypes/rules/index.ts
@@ -11,5 +11,6 @@ export * from './MappingRule';
 export * from './InsertRule';
 export * from './ValueSetComponentRule';
 export * from './ConceptRule';
+export * from './CodeCaretValueRule';
 export * from './AddElementRule';
 export * from './SdRule';
diff --git a/src/import/FSHImporter.ts b/src/import/FSHImporter.ts
index 0197397..8b513e2 100644
--- a/src/import/FSHImporter.ts
+++ b/src/import/FSHImporter.ts
@@ -45,7 +45,8 @@ import {
   ValueSetComponentRule,
   ValueSetConceptComponentRule,
   ValueSetFilterComponentRule,
-  SdRule
+  SdRule,
+  CodeCaretValueRule
 } from '../fshtypes/rules';
 import { ParserRuleContext, InputStream, CommonTokenStream } from 'antlr4';
 import { logger, switchToSecretLogger, LoggerData, restoreMainLogger } from '../utils/FSHLogger';
@@ -598,6 +599,8 @@ export class FSHImporter extends FSHVisitor {
         ruleSet.rules.push(this.visitVsComponent(rule.vsComponent()));
       } else if (rule.concept()) {
         ruleSet.rules.push(this.visitConcept(rule.concept()));
+      } else if (rule.codeCaretValueRule()) {
+        ruleSet.rules.push(this.visitCodeCaretValueRule(rule.codeCaretValueRule()));
       }
     });
   }
@@ -962,9 +965,13 @@ export class FSHImporter extends FSHVisitor {
     }
   }
 
-  visitCsRule(ctx: pc.CsRuleContext): ConceptRule | CaretValueRule | InsertRule {
+  visitCsRule(
+    ctx: pc.CsRuleContext
+  ): ConceptRule | CodeCaretValueRule | CaretValueRule | InsertRule {
     if (ctx.concept()) {
       return this.visitConcept(ctx.concept());
+    } else if (ctx.codeCaretValueRule()) {
+      return this.visitCodeCaretValueRule(ctx.codeCaretValueRule());
     } else if (ctx.caretValueRule()) {
       const rule = this.visitCaretValueRule(ctx.caretValueRule());
       if (rule.path) {
@@ -973,7 +980,7 @@ export class FSHImporter extends FSHVisitor {
           rule.sourceInfo
         );
       } else {
-        return this.visitCaretValueRule(ctx.caretValueRule());
+        return rule;
       }
     } else if (ctx.insertRule()) {
       return this.visitInsertRule(ctx.insertRule());
@@ -1215,11 +1222,24 @@ export class FSHImporter extends FSHVisitor {
   }
 
   visitConcept(ctx: pc.ConceptContext): ConceptRule {
-    const codePart = this.visitCode(ctx.code());
-    const concept = new ConceptRule(codePart.code, codePart.display)
+    const allCodes = ctx.CODE().map(codeCtx => this.parseCodeLexeme(codeCtx.getText(), codeCtx));
+    // the last code in allCodes is the one we are actually defining.
+    // the rest are the hierarchy, which may be empty.
+    const codePart = allCodes.slice(-1)[0];
+    const availableStrings = ctx.STRING().map(strCtx => this.extractString(strCtx));
+    const concept = new ConceptRule(codePart.code)
       .withLocation(this.extractStartStop(ctx))
       .withFile(this.currentFile);
-    if (codePart.system) {
+    concept.hierarchy = allCodes.slice(0, -1).map(code => code.code);
+    if (availableStrings.length > 0) {
+      concept.display = availableStrings[0];
+    }
+    if (availableStrings.length > 1) {
+      concept.definition = availableStrings[1];
+    } else if (ctx.MULTILINE_STRING()) {
+      concept.definition = this.extractMultilineString(ctx.MULTILINE_STRING());
+    }
+    if (allCodes.some(listedConcept => listedConcept.system)) {
       logger.error(
         'Do not include the system when listing concepts for a code system.',
         concept.sourceInfo
@@ -1227,12 +1247,9 @@ export class FSHImporter extends FSHVisitor {
       // If this is on a ruleset, and if this rule is then used on a ValueSet, this could actually
       // be a ValueSetConceptComponent, and not a ConceptRule, in which case we should carry through
       // the system
-      concept.system = codePart.system;
-    }
-    if (ctx.STRING()) {
-      concept.definition = this.extractString(ctx.STRING());
-    } else if (ctx.MULTILINE_STRING()) {
-      concept.definition = this.extractMultilineString(ctx.MULTILINE_STRING());
+      if (codePart.system) {
+        concept.system = codePart.system;
+      }
     }
     return concept;
   }
@@ -1445,6 +1462,21 @@ export class FSHImporter extends FSHVisitor {
     return caretValueRule;
   }
 
+  visitCodeCaretValueRule(ctx: pc.CodeCaretValueRuleContext): CodeCaretValueRule {
+    const codePath = ctx.CODE().map(code => {
+      return this.parseCodeLexeme(code.getText(), ctx).code;
+    });
+    const codeCaretValueRule = new CodeCaretValueRule(codePath)
+      .withLocation(this.extractStartStop(ctx))
+      .withFile(this.currentFile);
+    // Get the caret path, but slice off the starting ^
+    codeCaretValueRule.caretPath = this.visitCaretPath(ctx.caretPath()).slice(1);
+    codeCaretValueRule.value = this.visitValue(ctx.value());
+    codeCaretValueRule.isInstance =
+      ctx.value()?.name() != null && !this.allAliases.has(ctx.value().name().getText());
+    return codeCaretValueRule;
+  }
+
   visitObeysRule(ctx: pc.ObeysRuleContext): ObeysRule[] {
     const rules: ObeysRule[] = [];
     const path = ctx.path() ? this.visitPath(ctx.path()) : '';
diff --git a/src/import/generated/FSH.interp b/src/import/generated/FSH.interp
index ae6d84c..205c8ce 100644
--- a/src/import/generated/FSH.interp
+++ b/src/import/generated/FSH.interp
@@ -211,6 +211,7 @@ containsRule
 onlyRule
 obeysRule
 caretValueRule
+codeCaretValueRule
 mappingRule
 insertRule
 addElementRule
@@ -244,4 +245,4 @@ targetType
 
 
 atn:
-[3, 24715, 42794, 33075, 47597, 16764, 15335, 30598, 22884, 3, 81, 729, 4, 2, 9, 2, 4, 3, 9, 3, 4, 4, 9, 4, 4, 5, 9, 5, 4, 6, 9, 6, 4, 7, 9, 7, 4, 8, 9, 8, 4, 9, 9, 9, 4, 10, 9, 10, 4, 11, 9, 11, 4, 12, 9, 12, 4, 13, 9, 13, 4, 14, 9, 14, 4, 15, 9, 15, 4, 16, 9, 16, 4, 17, 9, 17, 4, 18, 9, 18, 4, 19, 9, 19, 4, 20, 9, 20, 4, 21, 9, 21, 4, 22, 9, 22, 4, 23, 9, 23, 4, 24, 9, 24, 4, 25, 9, 25, 4, 26, 9, 26, 4, 27, 9, 27, 4, 28, 9, 28, 4, 29, 9, 29, 4, 30, 9, 30, 4, 31, 9, 31, 4, 32, 9, 32, 4, 33, 9, 33, 4, 34, 9, 34, 4, 35, 9, 35, 4, 36, 9, 36, 4, 37, 9, 37, 4, 38, 9, 38, 4, 39, 9, 39, 4, 40, 9, 40, 4, 41, 9, 41, 4, 42, 9, 42, 4, 43, 9, 43, 4, 44, 9, 44, 4, 45, 9, 45, 4, 46, 9, 46, 4, 47, 9, 47, 4, 48, 9, 48, 4, 49, 9, 49, 4, 50, 9, 50, 4, 51, 9, 51, 4, 52, 9, 52, 4, 53, 9, 53, 4, 54, 9, 54, 4, 55, 9, 55, 4, 56, 9, 56, 4, 57, 9, 57, 4, 58, 9, 58, 4, 59, 9, 59, 4, 60, 9, 60, 4, 61, 9, 61, 4, 62, 9, 62, 4, 63, 9, 63, 4, 64, 9, 64, 4, 65, 9, 65, 4, 66, 9, 66, 4, 67, 9, 67, 4, 68, 9, 68, 4, 69, 9, 69, 4, 70, 9, 70, 4, 71, 9, 71, 4, 72, 9, 72, 4, 73, 9, 73, 4, 74, 9, 74, 4, 75, 9, 75, 4, 76, 9, 76, 4, 77, 9, 77, 4, 78, 9, 78, 4, 79, 9, 79, 3, 2, 7, 2, 160, 10, 2, 12, 2, 14, 2, 163, 11, 2, 3, 2, 3, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 5, 3, 179, 10, 3, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 5, 3, 5, 3, 5, 6, 5, 189, 10, 5, 13, 5, 14, 5, 190, 3, 5, 7, 5, 194, 10, 5, 12, 5, 14, 5, 197, 11, 5, 3, 6, 3, 6, 3, 6, 7, 6, 202, 10, 6, 12, 6, 14, 6, 205, 11, 6, 3, 6, 7, 6, 208, 10, 6, 12, 6, 14, 6, 211, 11, 6, 3, 7, 3, 7, 3, 7, 7, 7, 216, 10, 7, 12, 7, 14, 7, 219, 11, 7, 3, 7, 7, 7, 222, 10, 7, 12, 7, 14, 7, 225, 11, 7, 3, 8, 3, 8, 3, 8, 7, 8, 230, 10, 8, 12, 8, 14, 8, 233, 11, 8, 3, 8, 7, 8, 236, 10, 8, 12, 8, 14, 8, 239, 11, 8, 3, 9, 3, 9, 3, 9, 3, 9, 3, 9, 5, 9, 246, 10, 9, 3, 10, 3, 10, 3, 10, 3, 10, 3, 10, 3, 10, 3, 10, 3, 10, 3, 10, 5, 10, 257, 10, 10, 3, 11, 3, 11, 5, 11, 261, 10, 11, 3, 12, 3, 12, 3, 12, 7, 12, 266, 10, 12, 12, 12, 14, 12, 269, 11, 12, 3, 12, 7, 12, 272, 10, 12, 12, 12, 14, 12, 275, 11, 12, 3, 13, 3, 13, 3, 13, 3, 13, 3, 13, 5, 13, 282, 10, 13, 3, 14, 3, 14, 5, 14, 286, 10, 14, 3, 15, 3, 15, 3, 15, 6, 15, 291, 10, 15, 13, 15, 14, 15, 292, 3, 16, 3, 16, 3, 16, 3, 16, 5, 16, 299, 10, 16, 3, 17, 3, 17, 3, 17, 7, 17, 304, 10, 17, 12, 17, 14, 17, 307, 11, 17, 3, 17, 7, 17, 310, 10, 17, 12, 17, 14, 17, 313, 11, 17, 3, 18, 3, 18, 3, 18, 5, 18, 318, 10, 18, 3, 19, 3, 19, 3, 19, 5, 19, 323, 10, 19, 3, 20, 3, 20, 3, 20, 7, 20, 328, 10, 20, 12, 20, 14, 20, 331, 11, 20, 3, 20, 7, 20, 334, 10, 20, 12, 20, 14, 20, 337, 11, 20, 3, 21, 3, 21, 3, 21, 5, 21, 342, 10, 21, 3, 22, 3, 22, 3, 22, 5, 22, 347, 10, 22, 3, 23, 3, 23, 3, 23, 6, 23, 352, 10, 23, 13, 23, 14, 23, 353, 3, 24, 3, 24, 3, 24, 5, 24, 359, 10, 24, 3, 25, 3, 25, 3, 25, 3, 25, 3, 26, 3, 26, 7, 26, 367, 10, 26, 12, 26, 14, 26, 370, 11, 26, 3, 27, 3, 27, 3, 27, 7, 27, 375, 10, 27, 12, 27, 14, 27, 378, 11, 27, 3, 27, 7, 27, 381, 10, 27, 12, 27, 14, 27, 384, 11, 27, 3, 28, 3, 28, 3, 28, 3, 28, 3, 28, 5, 28, 391, 10, 28, 3, 29, 3, 29, 5, 29, 395, 10, 29, 3, 30, 3, 30, 3, 30, 3, 31, 3, 31, 3, 31, 3, 32, 3, 32, 3, 32, 3, 33, 3, 33, 3, 33, 3, 34, 3, 34, 3, 34, 3, 35, 3, 35, 3, 35, 3, 36, 3, 36, 3, 36, 3, 37, 3, 37, 3, 37, 3, 38, 3, 38, 3, 38, 3, 39, 3, 39, 3, 39, 3, 39, 7, 39, 428, 10, 39, 12, 39, 14, 39, 431, 11, 39, 3, 39, 3, 39, 5, 39, 435, 10, 39, 3, 40, 3, 40, 3, 40, 3, 41, 3, 41, 3, 41, 3, 42, 3, 42, 3, 42, 3, 42, 7, 42, 447, 10, 42, 12, 42, 14, 42, 450, 11, 42, 3, 43, 3, 43, 3, 43, 3, 43, 7, 43, 456, 10, 43, 12, 43, 14, 43, 459, 11, 43, 3, 43, 3, 43, 5, 43, 463, 10, 43, 3, 43, 6, 43, 466, 10, 43, 13, 43, 14, 43, 467, 3, 44, 3, 44, 3, 44, 5, 44, 473, 10, 44, 3, 44, 3, 44, 3, 44, 5, 44, 478, 10, 44, 3, 45, 3, 45, 3, 45, 5, 45, 483, 10, 45, 3, 45, 3, 45, 3, 45, 5, 45, 488, 10, 45, 3, 46, 3, 46, 3, 46, 3, 46, 3, 46, 3, 46, 7, 46, 496, 10, 46, 12, 46, 14, 46, 499, 11, 46, 3, 47, 3, 47, 3, 47, 3, 47, 3, 47, 3, 47, 7, 47, 507, 10, 47, 12, 47, 14, 47, 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58, 5, 58, 631, 10, 58, 3, 59, 3, 59, 3, 59, 7, 59, 636, 10, 59, 12, 59, 14, 59, 639, 11, 59, 3, 59, 3, 59, 3, 60, 3, 60, 3, 60, 5, 60, 646, 10, 60, 3, 61, 3, 61, 3, 62, 3, 62, 3, 62, 3, 62, 3, 62, 5, 62, 655, 10, 62, 3, 63, 3, 63, 3, 64, 3, 64, 3, 65, 3, 65, 3, 66, 3, 66, 3, 67, 3, 67, 3, 68, 3, 68, 3, 69, 3, 69, 3, 69, 3, 69, 3, 69, 3, 69, 3, 69, 3, 69, 3, 69, 3, 69, 3, 69, 3, 69, 5, 69, 681, 10, 69, 3, 70, 3, 70, 3, 70, 5, 70, 686, 10, 70, 3, 70, 3, 70, 7, 70, 690, 10, 70, 12, 70, 14, 70, 693, 11, 70, 3, 71, 3, 71, 5, 71, 697, 10, 71, 3, 72, 3, 72, 3, 72, 5, 72, 702, 10, 72, 3, 73, 3, 73, 3, 73, 5, 73, 707, 10, 73, 3, 74, 3, 74, 3, 74, 3, 74, 3, 75, 3, 75, 5, 75, 715, 10, 75, 3, 76, 3, 76, 3, 77, 3, 77, 5, 77, 721, 10, 77, 3, 78, 3, 78, 3, 79, 3, 79, 5, 79, 727, 10, 79, 3, 79, 2, 2, 80, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 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2, 2, 2, 587, 588, 3, 2, 2, 2, 588, 591, 3, 2, 2, 2, 589, 592, 5, 108, 55, 2, 590, 592, 5, 110, 56, 2, 591, 589, 3, 2, 2, 2, 591, 590, 3, 2, 2, 2, 592, 107, 3, 2, 2, 2, 593, 595, 5, 142, 72, 2, 594, 596, 5, 112, 57, 2, 595, 594, 3, 2, 2, 2, 595, 596, 3, 2, 2, 2, 596, 610, 3, 2, 2, 2, 597, 598, 5, 142, 72, 2, 598, 599, 7, 39, 2, 2, 599, 601, 3, 2, 2, 2, 600, 597, 3, 2, 2, 2, 601, 602, 3, 2, 2, 2, 602, 600, 3, 2, 2, 2, 602, 603, 3, 2, 2, 2, 603, 604, 3, 2, 2, 2, 604, 605, 5, 142, 72, 2, 605, 606, 5, 112, 57, 2, 606, 610, 3, 2, 2, 2, 607, 608, 7, 73, 2, 2, 608, 610, 5, 112, 57, 2, 609, 593, 3, 2, 2, 2, 609, 600, 3, 2, 2, 2, 609, 607, 3, 2, 2, 2, 610, 109, 3, 2, 2, 2, 611, 612, 7, 47, 2, 2, 612, 615, 5, 112, 57, 2, 613, 614, 7, 48, 2, 2, 614, 616, 5, 118, 60, 2, 615, 613, 3, 2, 2, 2, 615, 616, 3, 2, 2, 2, 616, 111, 3, 2, 2, 2, 617, 628, 7, 32, 2, 2, 618, 621, 5, 114, 58, 2, 619, 620, 7, 39, 2, 2, 620, 622, 5, 116, 59, 2, 621, 619, 3, 2, 2, 2, 621, 622, 3, 2, 2, 2, 622, 629, 3, 2, 2, 2, 623, 626, 5, 116, 59, 2, 624, 625, 7, 39, 2, 2, 625, 627, 5, 114, 58, 2, 626, 624, 3, 2, 2, 2, 626, 627, 3, 2, 2, 2, 627, 629, 3, 2, 2, 2, 628, 618, 3, 2, 2, 2, 628, 623, 3, 2, 2, 2, 629, 113, 3, 2, 2, 2, 630, 631, 7, 50, 2, 2, 631, 632, 5, 126, 64, 2, 632, 115, 3, 2, 2, 2, 633, 644, 7, 49, 2, 2, 634, 635, 5, 126, 64, 2, 635, 636, 7, 39, 2, 2, 636, 638, 3, 2, 2, 2, 637, 634, 3, 2, 2, 2, 638, 641, 3, 2, 2, 2, 639, 637, 3, 2, 2, 2, 639, 640, 3, 2, 2, 2, 640, 642, 3, 2, 2, 2, 641, 639, 3, 2, 2, 2, 642, 645, 5, 126, 64, 2, 643, 645, 7, 75, 2, 2, 644, 639, 3, 2, 2, 2, 644, 643, 3, 2, 2, 2, 645, 117, 3, 2, 2, 2, 646, 647, 5, 120, 61, 2, 647, 648, 7, 39, 2, 2, 648, 650, 3, 2, 2, 2, 649, 646, 3, 2, 2, 2, 650, 653, 3, 2, 2, 2, 651, 649, 3, 2, 2, 2, 651, 652, 3, 2, 2, 2, 652, 654, 3, 2, 2, 2, 653, 651, 3, 2, 2, 2, 654, 655, 5, 120, 61, 2, 655, 119, 3, 2, 2, 2, 656, 657, 5, 126, 64, 2, 657, 659, 5, 122, 62, 2, 658, 660, 5, 124, 63, 2, 659, 658, 3, 2, 2, 2, 659, 660, 3, 2, 2, 2, 660, 121, 3, 2, 2, 2, 661, 662, 9, 6, 2, 2, 662, 123, 3, 2, 2, 2, 663, 669, 5, 142, 72, 2, 664, 669, 7, 43, 2, 2, 665, 669, 7, 44, 2, 2, 666, 669, 7, 72, 2, 2, 667, 669, 7, 59, 2, 2, 668, 663, 3, 2, 2, 2, 668, 664, 3, 2, 2, 2, 668, 665, 3, 2, 2, 2, 668, 666, 3, 2, 2, 2, 668, 667, 3, 2, 2, 2, 669, 125, 3, 2, 2, 2, 670, 671, 9, 7, 2, 2, 671, 127, 3, 2, 2, 2, 672, 673, 9, 8, 2, 2, 673, 129, 3, 2, 2, 2, 674, 675, 7, 75, 2, 2, 675, 131, 3, 2, 2, 2, 676, 677, 7, 71, 2, 2, 677, 133, 3, 2, 2, 2, 678, 679, 9, 9, 2, 2, 679, 135, 3, 2, 2, 2, 680, 681, 9, 10, 2, 2, 681, 137, 3, 2, 2, 2, 682, 695, 7, 59, 2, 2, 683, 695, 7, 60, 2, 2, 684, 695, 7, 61, 2, 2, 685, 695, 7, 65, 2, 2, 686, 695, 7, 66, 2, 2, 687, 695, 5, 150, 76, 2, 688, 695, 5, 152, 77, 2, 689, 695, 5, 142, 72, 2, 690, 695, 5, 146, 74, 2, 691, 695, 5, 148, 75, 2, 692, 695, 5, 156, 79, 2, 693, 695, 5, 126, 64, 2, 694, 682, 3, 2, 2, 2, 694, 683, 3, 2, 2, 2, 694, 684, 3, 2, 2, 2, 694, 685, 3, 2, 2, 2, 694, 686, 3, 2, 2, 2, 694, 687, 3, 2, 2, 2, 694, 688, 3, 2, 2, 2, 694, 689, 3, 2, 2, 2, 694, 690, 3, 2, 2, 2, 694, 691, 3, 2, 2, 2, 694, 692, 3, 2, 2, 2, 694, 693, 3, 2, 2, 2, 695, 139, 3, 2, 2, 2, 696, 699, 5, 126, 64, 2, 697, 698, 7, 38, 2, 2, 698, 700, 5, 126, 64, 2, 699, 697, 3, 2, 2, 2, 699, 700, 3, 2, 2, 2, 700, 701, 3, 2, 2, 2, 701, 705, 7, 67, 2, 2, 702, 704, 5, 134, 68, 2, 703, 702, 3, 2, 2, 2, 704, 707, 3, 2, 2, 2, 705, 703, 3, 2, 2, 2, 705, 706, 3, 2, 2, 2, 706, 141, 3, 2, 2, 2, 707, 705, 3, 2, 2, 2, 708, 710, 7, 63, 2, 2, 709, 711, 7, 59, 2, 2, 710, 709, 3, 2, 2, 2, 710, 711, 3, 2, 2, 2, 711, 143, 3, 2, 2, 2, 712, 714, 7, 55, 2, 2, 713, 715, 7, 63, 2, 2, 714, 713, 3, 2, 2, 2, 715, 716, 3, 2, 2, 2, 716, 714, 3, 2, 2, 2, 716, 717, 3, 2, 2, 2, 717, 719, 3, 2, 2, 2, 718, 720, 7, 59, 2, 2, 719, 718, 3, 2, 2, 2, 719, 720, 3, 2, 2, 2, 720, 722, 3, 2, 2, 2, 721, 723, 9, 3, 2, 2, 722, 721, 3, 2, 2, 2, 722, 723, 3, 2, 2, 2, 723, 145, 3, 2, 2, 2, 724, 725, 7, 61, 2, 2, 725, 727, 9, 11, 2, 2, 726, 728, 7, 59, 2, 2, 727, 726, 3, 2, 2, 2, 727, 728, 3, 2, 2, 2, 728, 147, 3, 2, 2, 2, 729, 730, 5, 154, 78, 2, 730, 731, 7, 56, 2, 2, 731, 732, 5, 154, 78, 2, 732, 149, 3, 2, 2, 2, 733, 735, 9, 12, 2, 2, 734, 736, 7, 59, 2, 2, 735, 734, 3, 2, 2, 2, 735, 736, 3, 2, 2, 2, 736, 151, 3, 2, 2, 2, 737, 738, 7, 70, 2, 2, 738, 153, 3, 2, 2, 2, 739, 742, 7, 61, 2, 2, 740, 742, 5, 146, 74, 2, 741, 739, 3, 2, 2, 2, 741, 740, 3, 2, 2, 2, 742, 155, 3, 2, 2, 2, 743, 744, 9, 13, 2, 2, 744, 157, 3, 2, 2, 2, 745, 748, 5, 126, 64, 2, 746, 748, 5, 150, 76, 2, 747, 745, 3, 2, 2, 2, 747, 746, 3, 2, 2, 2, 748, 159, 3, 2, 2, 2, 84, 163, 180, 192, 197, 205, 211, 219, 225, 233, 239, 247, 258, 262, 269, 275, 283, 287, 294, 300, 307, 313, 319, 324, 331, 337, 343, 349, 356, 362, 372, 380, 386, 394, 398, 433, 438, 452, 461, 466, 471, 476, 481, 486, 491, 501, 512, 517, 525, 530, 540, 548, 553, 556, 568, 576, 580, 583, 587, 591, 595, 602, 609, 615, 621, 626, 628, 639, 644, 651, 659, 668, 694, 699, 705, 710, 716, 719, 722, 727, 735, 741, 747]
\ No newline at end of file
diff --git a/src/import/generated/FSHListener.js b/src/import/generated/FSHListener.js
index 93ce7b3..412cb4d 100644
--- a/src/import/generated/FSHListener.js
+++ b/src/import/generated/FSHListener.js
@@ -443,6 +443,15 @@ FSHListener.prototype.exitCaretValueRule = function(ctx) {
 };
 
 
+// Enter a parse tree produced by FSHParser#codeCaretValueRule.
+FSHListener.prototype.enterCodeCaretValueRule = function(ctx) {
+};
+
+// Exit a parse tree produced by FSHParser#codeCaretValueRule.
+FSHListener.prototype.exitCodeCaretValueRule = function(ctx) {
+};
+
+
 // Enter a parse tree produced by FSHParser#mappingRule.
 FSHListener.prototype.enterMappingRule = function(ctx) {
 };
diff --git a/src/import/generated/FSHParser.js b/src/import/generated/FSHParser.js
index f25a88d..ce88418 100644
--- a/src/import/generated/FSHParser.js
+++ b/src/import/generated/FSHParser.js
@@ -8,7 +8,7 @@ var grammarFileName = "FSH.g4";
 
 
 var serializedATN = ["\u0003\u608b\ua72a\u8133\ub9ed\u417c\u3be7\u7786\u5964",
-    "\u0003Q\u02d9\u0004\u0002\t\u0002\u0004\u0003\t\u0003\u0004\u0004\t",
+    "\u0003Q\u02ee\u0004\u0002\t\u0002\u0004\u0003\t\u0003\u0004\u0004\t",
     "\u0004\u0004\u0005\t\u0005\u0004\u0006\t\u0006\u0004\u0007\t\u0007\u0004",
     "\b\t\b\u0004\t\t\t\u0004\n\t\n\u0004\u000b\t\u000b\u0004\f\t\f\u0004",
     "\r\t\r\u0004\u000e\t\u000e\u0004\u000f\t\u000f\u0004\u0010\t\u0010\u0004",
@@ -23,463 +23,479 @@ var serializedATN = ["\u0003\u608b\ua72a\u8133\ub9ed\u417c\u3be7\u7786\u5964",
     ":\t:\u0004;\t;\u0004<\t<\u0004=\t=\u0004>\t>\u0004?\t?\u0004@\t@\u0004",
     "A\tA\u0004B\tB\u0004C\tC\u0004D\tD\u0004E\tE\u0004F\tF\u0004G\tG\u0004",
     "H\tH\u0004I\tI\u0004J\tJ\u0004K\tK\u0004L\tL\u0004M\tM\u0004N\tN\u0004",
-    "O\tO\u0003\u0002\u0007\u0002\u00a0\n\u0002\f\u0002\u000e\u0002\u00a3",
-    "\u000b\u0002\u0003\u0002\u0003\u0002\u0003\u0003\u0003\u0003\u0003\u0003",
+    "O\tO\u0004P\tP\u0003\u0002\u0007\u0002\u00a2\n\u0002\f\u0002\u000e\u0002",
+    "\u00a5\u000b\u0002\u0003\u0002\u0003\u0002\u0003\u0003\u0003\u0003\u0003",
     "\u0003\u0003\u0003\u0003\u0003\u0003\u0003\u0003\u0003\u0003\u0003\u0003",
-    "\u0003\u0003\u0003\u0003\u0003\u0003\u0005\u0003\u00b3\n\u0003\u0003",
-    "\u0004\u0003\u0004\u0003\u0004\u0003\u0004\u0003\u0004\u0003\u0005\u0003",
-    "\u0005\u0003\u0005\u0006\u0005\u00bd\n\u0005\r\u0005\u000e\u0005\u00be",
-    "\u0003\u0005\u0007\u0005\u00c2\n\u0005\f\u0005\u000e\u0005\u00c5\u000b",
-    "\u0005\u0003\u0006\u0003\u0006\u0003\u0006\u0007\u0006\u00ca\n\u0006",
-    "\f\u0006\u000e\u0006\u00cd\u000b\u0006\u0003\u0006\u0007\u0006\u00d0",
-    "\n\u0006\f\u0006\u000e\u0006\u00d3\u000b\u0006\u0003\u0007\u0003\u0007",
-    "\u0003\u0007\u0007\u0007\u00d8\n\u0007\f\u0007\u000e\u0007\u00db\u000b",
-    "\u0007\u0003\u0007\u0007\u0007\u00de\n\u0007\f\u0007\u000e\u0007\u00e1",
-    "\u000b\u0007\u0003\b\u0003\b\u0003\b\u0007\b\u00e6\n\b\f\b\u000e\b\u00e9",
-    "\u000b\b\u0003\b\u0007\b\u00ec\n\b\f\b\u000e\b\u00ef\u000b\b\u0003\t",
-    "\u0003\t\u0003\t\u0003\t\u0003\t\u0005\t\u00f6\n\t\u0003\n\u0003\n\u0003",
-    "\n\u0003\n\u0003\n\u0003\n\u0003\n\u0003\n\u0003\n\u0005\n\u0101\n\n",
-    "\u0003\u000b\u0003\u000b\u0005\u000b\u0105\n\u000b\u0003\f\u0003\f\u0003",
-    "\f\u0007\f\u010a\n\f\f\f\u000e\f\u010d\u000b\f\u0003\f\u0007\f\u0110",
-    "\n\f\f\f\u000e\f\u0113\u000b\f\u0003\r\u0003\r\u0003\r\u0003\r\u0003",
-    "\r\u0005\r\u011a\n\r\u0003\u000e\u0003\u000e\u0005\u000e\u011e\n\u000e",
-    "\u0003\u000f\u0003\u000f\u0003\u000f\u0006\u000f\u0123\n\u000f\r\u000f",
-    "\u000e\u000f\u0124\u0003\u0010\u0003\u0010\u0003\u0010\u0003\u0010\u0005",
-    "\u0010\u012b\n\u0010\u0003\u0011\u0003\u0011\u0003\u0011\u0007\u0011",
-    "\u0130\n\u0011\f\u0011\u000e\u0011\u0133\u000b\u0011\u0003\u0011\u0007",
-    "\u0011\u0136\n\u0011\f\u0011\u000e\u0011\u0139\u000b\u0011\u0003\u0012",
-    "\u0003\u0012\u0003\u0012\u0005\u0012\u013e\n\u0012\u0003\u0013\u0003",
-    "\u0013\u0003\u0013\u0005\u0013\u0143\n\u0013\u0003\u0014\u0003\u0014",
-    "\u0003\u0014\u0007\u0014\u0148\n\u0014\f\u0014\u000e\u0014\u014b\u000b",
-    "\u0014\u0003\u0014\u0007\u0014\u014e\n\u0014\f\u0014\u000e\u0014\u0151",
-    "\u000b\u0014\u0003\u0015\u0003\u0015\u0003\u0015\u0005\u0015\u0156\n",
-    "\u0015\u0003\u0016\u0003\u0016\u0003\u0016\u0005\u0016\u015b\n\u0016",
-    "\u0003\u0017\u0003\u0017\u0003\u0017\u0006\u0017\u0160\n\u0017\r\u0017",
-    "\u000e\u0017\u0161\u0003\u0018\u0003\u0018\u0003\u0018\u0005\u0018\u0167",
-    "\n\u0018\u0003\u0019\u0003\u0019\u0003\u0019\u0003\u0019\u0003\u001a",
-    "\u0003\u001a\u0007\u001a\u016f\n\u001a\f\u001a\u000e\u001a\u0172\u000b",
-    "\u001a\u0003\u001b\u0003\u001b\u0003\u001b\u0007\u001b\u0177\n\u001b",
-    "\f\u001b\u000e\u001b\u017a\u000b\u001b\u0003\u001b\u0007\u001b\u017d",
-    "\n\u001b\f\u001b\u000e\u001b\u0180\u000b\u001b\u0003\u001c\u0003\u001c",
-    "\u0003\u001c\u0003\u001c\u0003\u001c\u0005\u001c\u0187\n\u001c\u0003",
-    "\u001d\u0003\u001d\u0005\u001d\u018b\n\u001d\u0003\u001e\u0003\u001e",
-    "\u0003\u001e\u0003\u001f\u0003\u001f\u0003\u001f\u0003 \u0003 \u0003",
-    " \u0003!\u0003!\u0003!\u0003\"\u0003\"\u0003\"\u0003#\u0003#\u0003#",
-    "\u0003$\u0003$\u0003$\u0003%\u0003%\u0003%\u0003&\u0003&\u0003&\u0003",
-    "\'\u0003\'\u0003\'\u0003\'\u0007\'\u01ac\n\'\f\'\u000e\'\u01af\u000b",
-    "\'\u0003\'\u0003\'\u0005\'\u01b3\n\'\u0003(\u0003(\u0003(\u0003)\u0003",
-    ")\u0003)\u0003*\u0003*\u0003*\u0003*\u0007*\u01bf\n*\f*\u000e*\u01c2",
-    "\u000b*\u0003+\u0003+\u0003+\u0003+\u0007+\u01c8\n+\f+\u000e+\u01cb",
-    "\u000b+\u0003+\u0003+\u0005+\u01cf\n+\u0003+\u0006+\u01d2\n+\r+\u000e",
-    "+\u01d3\u0003,\u0003,\u0003,\u0005,\u01d9\n,\u0003,\u0003,\u0003,\u0005",
-    ",\u01de\n,\u0003-\u0003-\u0003-\u0005-\u01e3\n-\u0003-\u0003-\u0003",
-    "-\u0005-\u01e8\n-\u0003.\u0003.\u0003.\u0003.\u0003.\u0003.\u0007.\u01f0",
-    "\n.\f.\u000e.\u01f3\u000b.\u0003/\u0003/\u0003/\u0003/\u0003/\u0003",
-    "/\u0007/\u01fb\n/\f/\u000e/\u01fe\u000b/\u00030\u00030\u00050\u0202",
-    "\n0\u00030\u00030\u00030\u00030\u00070\u0208\n0\f0\u000e0\u020b\u000b",
-    "0\u00031\u00031\u00051\u020f\n1\u00031\u00031\u00031\u00031\u00032\u0003",
-    "2\u00052\u0217\n2\u00032\u00032\u00032\u00052\u021c\n2\u00032\u0005",
-    "2\u021f\n2\u00033\u00033\u00033\u00033\u00034\u00034\u00034\u00034\u0007",
-    "4\u0229\n4\f4\u000e4\u022c\u000b4\u00034\u00034\u00034\u00074\u0231",
-    "\n4\f4\u000e4\u0234\u000b4\u00034\u00054\u0237\n4\u00034\u00054\u023a",
-    "\n4\u00035\u00035\u00055\u023e\n5\u00035\u00035\u00055\u0242\n5\u0003",
-    "6\u00036\u00056\u0246\n6\u00036\u00036\u00036\u00066\u024b\n6\r6\u000e",
-    "6\u024c\u00036\u00036\u00036\u00036\u00036\u00056\u0254\n6\u00037\u0003",
-    "7\u00037\u00037\u00057\u025a\n7\u00038\u00038\u00038\u00038\u00058\u0260",
-    "\n8\u00038\u00038\u00038\u00058\u0265\n8\u00058\u0267\n8\u00039\u0003",
-    "9\u00039\u0003:\u0003:\u0003:\u0003:\u0007:\u0270\n:\f:\u000e:\u0273",
-    "\u000b:\u0003:\u0003:\u0005:\u0277\n:\u0003;\u0003;\u0003;\u0007;\u027c",
-    "\n;\f;\u000e;\u027f\u000b;\u0003;\u0003;\u0003<\u0003<\u0003<\u0005",
-    "<\u0286\n<\u0003=\u0003=\u0003>\u0003>\u0003>\u0003>\u0003>\u0005>\u028f",
-    "\n>\u0003?\u0003?\u0003@\u0003@\u0003A\u0003A\u0003B\u0003B\u0003C\u0003",
-    "C\u0003D\u0003D\u0003E\u0003E\u0003E\u0003E\u0003E\u0003E\u0003E\u0003",
-    "E\u0003E\u0003E\u0003E\u0003E\u0005E\u02a9\nE\u0003F\u0003F\u0003F\u0005",
-    "F\u02ae\nF\u0003F\u0003F\u0007F\u02b2\nF\fF\u000eF\u02b5\u000bF\u0003",
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-    "\u0002\u0002\u017f5\u0003\u0002\u0002\u0002\u0180\u017e\u0003\u0002",
-    "\u0002\u0002\u0181\u0187\u0005<\u001f\u0002\u0182\u0187\u0005N(\u0002",
-    "\u0183\u0187\u0005P)\u0002\u0184\u0187\u0005@!\u0002\u0185\u0187\u0005",
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-    "9\u0003\u0002\u0002\u0002\u018c\u018d\u0007\u0010\u0002\u0002\u018d",
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-    "\u019aC\u0003\u0002\u0002\u0002\u019b\u019c\u0007\u0015\u0002\u0002",
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-    "\u019f\u0007\u0016\u0002\u0002\u019f\u01a0\u0007?\u0002\u0002\u01a0",
-    "G\u0003\u0002\u0002\u0002\u01a1\u01a2\u0007\u0007\u0002\u0002\u01a2",
-    "\u01a3\u0005|?\u0002\u01a3I\u0003\u0002\u0002\u0002\u01a4\u01a5\u0007",
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-    "\u0002\u01ad\u01ab\u0003\u0002\u0002\u0002\u01ad\u01ae\u0003\u0002\u0002",
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-    "M\u0003\u0002\u0002\u0002\u01b4\u01b5\u0007\u0018\u0002\u0002\u01b5",
-    "\u01b6\u0005|?\u0002\u01b6O\u0003\u0002\u0002\u0002\u01b7\u01b8\u0007",
-    "\u0019\u0002\u0002\u01b8\u01b9\u0007;\u0002\u0002\u01b9Q\u0003\u0002",
-    "\u0002\u0002\u01ba\u01bb\u00077\u0002\u0002\u01bb\u01bc\u0005~@\u0002",
-    "\u01bc\u01c0\u0007C\u0002\u0002\u01bd\u01bf\u0005\u0084C\u0002\u01be",
-    "\u01bd\u0003\u0002\u0002\u0002\u01bf\u01c2\u0003\u0002\u0002\u0002\u01c0",
-    "\u01be\u0003\u0002\u0002\u0002\u01c0\u01c1\u0003\u0002\u0002\u0002\u01c1",
-    "S\u0003\u0002\u0002\u0002\u01c2\u01c0\u0003\u0002\u0002\u0002\u01c3",
-    "\u01ce\u00077\u0002\u0002\u01c4\u01c5\u0005~@\u0002\u01c5\u01c6\u0007",
-    "\'\u0002\u0002\u01c6\u01c8\u0003\u0002\u0002\u0002\u01c7\u01c4\u0003",
-    "\u0002\u0002\u0002\u01c8\u01cb\u0003\u0002\u0002\u0002\u01c9\u01c7\u0003",
-    "\u0002\u0002\u0002\u01c9\u01ca\u0003\u0002\u0002\u0002\u01ca\u01cc\u0003",
-    "\u0002\u0002\u0002\u01cb\u01c9\u0003\u0002\u0002\u0002\u01cc\u01cf\u0005",
-    "~@\u0002\u01cd\u01cf\u0005\u0080A\u0002\u01ce\u01c9\u0003\u0002\u0002",
-    "\u0002\u01ce\u01cd\u0003\u0002\u0002\u0002\u01cf\u01d1\u0003\u0002\u0002",
-    "\u0002\u01d0\u01d2\u0005\u0084C\u0002\u01d1\u01d0\u0003\u0002\u0002",
-    "\u0002\u01d2\u01d3\u0003\u0002\u0002\u0002\u01d3\u01d1\u0003\u0002\u0002",
-    "\u0002\u01d3\u01d4\u0003\u0002\u0002\u0002\u01d4U\u0003\u0002\u0002",
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-    "\u01d9\u00073\u0002\u0002\u01d8\u01d7\u0003\u0002\u0002\u0002\u01d8",
-    "\u01d9\u0003\u0002\u0002\u0002\u01d9\u01da\u0003\u0002\u0002\u0002\u01da",
-    "\u01db\u0007 \u0002\u0002\u01db\u01dd\u0005|?\u0002\u01dc\u01de\u0005",
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-    "7\u0002\u0002\u01e0\u01e2\u0005~@\u0002\u01e1\u01e3\u00073\u0002\u0002",
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-    "\u0005~@\u0002\u01eb\u01ec\u0007%\u0002\u0002\u01ec\u01f1\u0005\u008a",
-    "F\u0002\u01ed\u01ee\u0007\'\u0002\u0002\u01ee\u01f0\u0005\u008aF\u0002",
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-    "\u0002\u0002\u0002\u0218\u0219\u0007:\u0002\u0002\u0219\u021b\u0007",
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-    "\u009cO\u0002\u022e\u022f\u0007)\u0002\u0002\u022f\u0231\u0005\u009c",
-    "O\u0002\u0230\u022e\u0003\u0002\u0002\u0002\u0231\u0234\u0003\u0002",
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-    "\u0002\u0002\u0002\u0247\u0248\u0005\u008cG\u0002\u0248\u0249\u0007",
-    "\'\u0002\u0002\u0249\u024b\u0003\u0002\u0002\u0002\u024a\u0247\u0003",
-    "\u0002\u0002\u0002\u024b\u024c\u0003\u0002\u0002\u0002\u024c\u024a\u0003",
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-    "t;\u0002\u0259\u0257\u0003\u0002\u0002\u0002\u0259\u025a\u0003\u0002",
-    "\u0002\u0002\u025am\u0003\u0002\u0002\u0002\u025b\u0266\u0007 \u0002",
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-    "\u0003\u0002\u0002\u0002\u0260\u0267\u0003\u0002\u0002\u0002\u0261\u0264",
-    "\u0005r:\u0002\u0262\u0263\u0007\'\u0002\u0002\u0263\u0265\u0005p9\u0002",
-    "\u0264\u0262\u0003\u0002\u0002\u0002\u0264\u0265\u0003\u0002\u0002\u0002",
-    "\u0265\u0267\u0003\u0002\u0002\u0002\u0266\u025c\u0003\u0002\u0002\u0002",
-    "\u0266\u0261\u0003\u0002\u0002\u0002\u0267o\u0003\u0002\u0002\u0002",
-    "\u0268\u0269\u00072\u0002\u0002\u0269\u026a\u0005|?\u0002\u026aq\u0003",
-    "\u0002\u0002\u0002\u026b\u0276\u00071\u0002\u0002\u026c\u026d\u0005",
-    "|?\u0002\u026d\u026e\u0007\'\u0002\u0002\u026e\u0270\u0003\u0002\u0002",
-    "\u0002\u026f\u026c\u0003\u0002\u0002\u0002\u0270\u0273\u0003\u0002\u0002",
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-    "\u0002\u0272\u0274\u0003\u0002\u0002\u0002\u0273\u0271\u0003\u0002\u0002",
-    "\u0002\u0274\u0277\u0005|?\u0002\u0275\u0277\u0007K\u0002\u0002\u0276",
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-    "s\u0003\u0002\u0002\u0002\u0278\u0279\u0005v<\u0002\u0279\u027a\u0007",
-    "\'\u0002\u0002\u027a\u027c\u0003\u0002\u0002\u0002\u027b\u0278\u0003",
-    "\u0002\u0002\u0002\u027c\u027f\u0003\u0002\u0002\u0002\u027d\u027b\u0003",
-    "\u0002\u0002\u0002\u027d\u027e\u0003\u0002\u0002\u0002\u027e\u0280\u0003",
-    "\u0002\u0002\u0002\u027f\u027d\u0003\u0002\u0002\u0002\u0280\u0281\u0005",
-    "v<\u0002\u0281u\u0003\u0002\u0002\u0002\u0282\u0283\u0005|?\u0002\u0283",
-    "\u0285\u0005x=\u0002\u0284\u0286\u0005z>\u0002\u0285\u0284\u0003\u0002",
-    "\u0002\u0002\u0285\u0286\u0003\u0002\u0002\u0002\u0286w\u0003\u0002",
-    "\u0002\u0002\u0287\u0288\t\u0006\u0002\u0002\u0288y\u0003\u0002\u0002",
-    "\u0002\u0289\u028f\u0005\u008cG\u0002\u028a\u028f\u0007+\u0002\u0002",
-    "\u028b\u028f\u0007,\u0002\u0002\u028c\u028f\u0007H\u0002\u0002\u028d",
-    "\u028f\u0007;\u0002\u0002\u028e\u0289\u0003\u0002\u0002\u0002\u028e",
-    "\u028a\u0003\u0002\u0002\u0002\u028e\u028b\u0003\u0002\u0002\u0002\u028e",
-    "\u028c\u0003\u0002\u0002\u0002\u028e\u028d\u0003\u0002\u0002\u0002\u028f",
-    "{\u0003\u0002\u0002\u0002\u0290\u0291\t\u0007\u0002\u0002\u0291}\u0003",
-    "\u0002\u0002\u0002\u0292\u0293\t\b\u0002\u0002\u0293\u007f\u0003\u0002",
-    "\u0002\u0002\u0294\u0295\u0007K\u0002\u0002\u0295\u0081\u0003\u0002",
-    "\u0002\u0002\u0296\u0297\u0007G\u0002\u0002\u0297\u0083\u0003\u0002",
-    "\u0002\u0002\u0298\u0299\t\t\u0002\u0002\u0299\u0085\u0003\u0002\u0002",
-    "\u0002\u029a\u029b\t\n\u0002\u0002\u029b\u0087\u0003\u0002\u0002\u0002",
-    "\u029c\u02a9\u0007;\u0002\u0002\u029d\u02a9\u0007<\u0002\u0002\u029e",
-    "\u02a9\u0007=\u0002\u0002\u029f\u02a9\u0007A\u0002\u0002\u02a0\u02a9",
-    "\u0007B\u0002\u0002\u02a1\u02a9\u0005\u0094K\u0002\u02a2\u02a9\u0005",
-    "\u0096L\u0002\u02a3\u02a9\u0005\u008cG\u0002\u02a4\u02a9\u0005\u0090",
-    "I\u0002\u02a5\u02a9\u0005\u0092J\u0002\u02a6\u02a9\u0005\u009aN\u0002",
-    "\u02a7\u02a9\u0005|?\u0002\u02a8\u029c\u0003\u0002\u0002\u0002\u02a8",
-    "\u029d\u0003\u0002\u0002\u0002\u02a8\u029e\u0003\u0002\u0002\u0002\u02a8",
-    "\u029f\u0003\u0002\u0002\u0002\u02a8\u02a0\u0003\u0002\u0002\u0002\u02a8",
-    "\u02a1\u0003\u0002\u0002\u0002\u02a8\u02a2\u0003\u0002\u0002\u0002\u02a8",
-    "\u02a3\u0003\u0002\u0002\u0002\u02a8\u02a4\u0003\u0002\u0002\u0002\u02a8",
-    "\u02a5\u0003\u0002\u0002\u0002\u02a8\u02a6\u0003\u0002\u0002\u0002\u02a8",
-    "\u02a7\u0003\u0002\u0002\u0002\u02a9\u0089\u0003\u0002\u0002\u0002\u02aa",
-    "\u02ad\u0005|?\u0002\u02ab\u02ac\u0007&\u0002\u0002\u02ac\u02ae\u0005",
-    "|?\u0002\u02ad\u02ab\u0003\u0002\u0002\u0002\u02ad\u02ae\u0003\u0002",
-    "\u0002\u0002\u02ae\u02af\u0003\u0002\u0002\u0002\u02af\u02b3\u0007C",
-    "\u0002\u0002\u02b0\u02b2\u0005\u0084C\u0002\u02b1\u02b0\u0003\u0002",
-    "\u0002\u0002\u02b2\u02b5\u0003\u0002\u0002\u0002\u02b3\u02b1\u0003\u0002",
-    "\u0002\u0002\u02b3\u02b4\u0003\u0002\u0002\u0002\u02b4\u008b\u0003\u0002",
-    "\u0002\u0002\u02b5\u02b3\u0003\u0002\u0002\u0002\u02b6\u02b8\u0007?",
-    "\u0002\u0002\u02b7\u02b9\u0007;\u0002\u0002\u02b8\u02b7\u0003\u0002",
-    "\u0002\u0002\u02b8\u02b9\u0003\u0002\u0002\u0002\u02b9\u008d\u0003\u0002",
-    "\u0002\u0002\u02ba\u02bb\u00077\u0002\u0002\u02bb\u02bd\u0005\u008c",
-    "G\u0002\u02bc\u02be\t\u0003\u0002\u0002\u02bd\u02bc\u0003\u0002\u0002",
-    "\u0002\u02bd\u02be\u0003\u0002\u0002\u0002\u02be\u008f\u0003\u0002\u0002",
-    "\u0002\u02bf\u02c0\u0007=\u0002\u0002\u02c0\u02c2\t\u000b\u0002\u0002",
-    "\u02c1\u02c3\u0007;\u0002\u0002\u02c2\u02c1\u0003\u0002\u0002\u0002",
-    "\u02c2\u02c3\u0003\u0002\u0002\u0002\u02c3\u0091\u0003\u0002\u0002\u0002",
-    "\u02c4\u02c5\u0005\u0098M\u0002\u02c5\u02c6\u00078\u0002\u0002\u02c6",
-    "\u02c7\u0005\u0098M\u0002\u02c7\u0093\u0003\u0002\u0002\u0002\u02c8",
-    "\u02ca\t\f\u0002\u0002\u02c9\u02cb\u0007;\u0002\u0002\u02ca\u02c9\u0003",
-    "\u0002\u0002\u0002\u02ca\u02cb\u0003\u0002\u0002\u0002\u02cb\u0095\u0003",
-    "\u0002\u0002\u0002\u02cc\u02cd\u0007F\u0002\u0002\u02cd\u0097\u0003",
-    "\u0002\u0002\u0002\u02ce\u02d1\u0007=\u0002\u0002\u02cf\u02d1\u0005",
-    "\u0090I\u0002\u02d0\u02ce\u0003\u0002\u0002\u0002\u02d0\u02cf\u0003",
-    "\u0002\u0002\u0002\u02d1\u0099\u0003\u0002\u0002\u0002\u02d2\u02d3\t",
-    "\r\u0002\u0002\u02d3\u009b\u0003\u0002\u0002\u0002\u02d4\u02d7\u0005",
-    "|?\u0002\u02d5\u02d7\u0005\u0094K\u0002\u02d6\u02d4\u0003\u0002\u0002",
-    "\u0002\u02d6\u02d5\u0003\u0002\u0002\u0002\u02d7\u009d\u0003\u0002\u0002",
-    "\u0002Q\u00a1\u00b2\u00be\u00c3\u00cb\u00d1\u00d9\u00df\u00e7\u00ed",
-    "\u00f5\u0100\u0104\u010b\u0111\u0119\u011d\u0124\u012a\u0131\u0137\u013d",
-    "\u0142\u0149\u014f\u0155\u015a\u0161\u0166\u0170\u0178\u017e\u0186\u018a",
-    "\u01ad\u01b2\u01c0\u01c9\u01ce\u01d3\u01d8\u01dd\u01e2\u01e7\u01f1\u01fc",
-    "\u0201\u0209\u020e\u0216\u021b\u021e\u022a\u0232\u0236\u0239\u023d\u0241",
-    "\u0245\u024c\u0253\u0259\u025f\u0264\u0266\u0271\u0276\u027d\u0285\u028e",
-    "\u02a8\u02ad\u02b3\u02b8\u02bd\u02c2\u02ca\u02d0\u02d6"].join("");
+    "\u0003\u0003\u0003\u0003\u0003\u0003\u0003\u0005\u0003\u00b5\n\u0003",
+    "\u0003\u0004\u0003\u0004\u0003\u0004\u0003\u0004\u0003\u0004\u0003\u0005",
+    "\u0003\u0005\u0003\u0005\u0006\u0005\u00bf\n\u0005\r\u0005\u000e\u0005",
+    "\u00c0\u0003\u0005\u0007\u0005\u00c4\n\u0005\f\u0005\u000e\u0005\u00c7",
+    "\u000b\u0005\u0003\u0006\u0003\u0006\u0003\u0006\u0007\u0006\u00cc\n",
+    "\u0006\f\u0006\u000e\u0006\u00cf\u000b\u0006\u0003\u0006\u0007\u0006",
+    "\u00d2\n\u0006\f\u0006\u000e\u0006\u00d5\u000b\u0006\u0003\u0007\u0003",
+    "\u0007\u0003\u0007\u0007\u0007\u00da\n\u0007\f\u0007\u000e\u0007\u00dd",
+    "\u000b\u0007\u0003\u0007\u0007\u0007\u00e0\n\u0007\f\u0007\u000e\u0007",
+    "\u00e3\u000b\u0007\u0003\b\u0003\b\u0003\b\u0007\b\u00e8\n\b\f\b\u000e",
+    "\b\u00eb\u000b\b\u0003\b\u0007\b\u00ee\n\b\f\b\u000e\b\u00f1\u000b\b",
+    "\u0003\t\u0003\t\u0003\t\u0003\t\u0003\t\u0005\t\u00f8\n\t\u0003\n\u0003",
+    "\n\u0003\n\u0003\n\u0003\n\u0003\n\u0003\n\u0003\n\u0003\n\u0005\n\u0103",
+    "\n\n\u0003\u000b\u0003\u000b\u0005\u000b\u0107\n\u000b\u0003\f\u0003",
+    "\f\u0003\f\u0007\f\u010c\n\f\f\f\u000e\f\u010f\u000b\f\u0003\f\u0007",
+    "\f\u0112\n\f\f\f\u000e\f\u0115\u000b\f\u0003\r\u0003\r\u0003\r\u0003",
+    "\r\u0003\r\u0005\r\u011c\n\r\u0003\u000e\u0003\u000e\u0005\u000e\u0120",
+    "\n\u000e\u0003\u000f\u0003\u000f\u0003\u000f\u0006\u000f\u0125\n\u000f",
+    "\r\u000f\u000e\u000f\u0126\u0003\u0010\u0003\u0010\u0003\u0010\u0003",
+    "\u0010\u0005\u0010\u012d\n\u0010\u0003\u0011\u0003\u0011\u0003\u0011",
+    "\u0007\u0011\u0132\n\u0011\f\u0011\u000e\u0011\u0135\u000b\u0011\u0003",
+    "\u0011\u0007\u0011\u0138\n\u0011\f\u0011\u000e\u0011\u013b\u000b\u0011",
+    "\u0003\u0012\u0003\u0012\u0003\u0012\u0005\u0012\u0140\n\u0012\u0003",
+    "\u0013\u0003\u0013\u0003\u0013\u0005\u0013\u0145\n\u0013\u0003\u0014",
+    "\u0003\u0014\u0003\u0014\u0007\u0014\u014a\n\u0014\f\u0014\u000e\u0014",
+    "\u014d\u000b\u0014\u0003\u0014\u0007\u0014\u0150\n\u0014\f\u0014\u000e",
+    "\u0014\u0153\u000b\u0014\u0003\u0015\u0003\u0015\u0003\u0015\u0005\u0015",
+    "\u0158\n\u0015\u0003\u0016\u0003\u0016\u0003\u0016\u0003\u0016\u0005",
+    "\u0016\u015e\n\u0016\u0003\u0017\u0003\u0017\u0003\u0017\u0006\u0017",
+    "\u0163\n\u0017\r\u0017\u000e\u0017\u0164\u0003\u0018\u0003\u0018\u0003",
+    "\u0018\u0003\u0018\u0005\u0018\u016b\n\u0018\u0003\u0019\u0003\u0019",
+    "\u0003\u0019\u0003\u0019\u0003\u001a\u0003\u001a\u0007\u001a\u0173\n",
+    "\u001a\f\u001a\u000e\u001a\u0176\u000b\u001a\u0003\u001b\u0003\u001b",
+    "\u0003\u001b\u0007\u001b\u017b\n\u001b\f\u001b\u000e\u001b\u017e\u000b",
+    "\u001b\u0003\u001b\u0007\u001b\u0181\n\u001b\f\u001b\u000e\u001b\u0184",
+    "\u000b\u001b\u0003\u001c\u0003\u001c\u0003\u001c\u0003\u001c\u0003\u001c",
+    "\u0005\u001c\u018b\n\u001c\u0003\u001d\u0003\u001d\u0005\u001d\u018f",
+    "\n\u001d\u0003\u001e\u0003\u001e\u0003\u001e\u0003\u001f\u0003\u001f",
+    "\u0003\u001f\u0003 \u0003 \u0003 \u0003!\u0003!\u0003!\u0003\"\u0003",
+    "\"\u0003\"\u0003#\u0003#\u0003#\u0003$\u0003$\u0003$\u0003%\u0003%\u0003",
+    "%\u0003&\u0003&\u0003&\u0003\'\u0003\'\u0003\'\u0003\'\u0007\'\u01b0",
+    "\n\'\f\'\u000e\'\u01b3\u000b\'\u0003\'\u0003\'\u0005\'\u01b7\n\'\u0003",
+    "(\u0003(\u0003(\u0003)\u0003)\u0003)\u0003*\u0003*\u0003*\u0003*\u0007",
+    "*\u01c3\n*\f*\u000e*\u01c6\u000b*\u0003+\u0003+\u0003+\u0003+\u0007",
+    "+\u01cc\n+\f+\u000e+\u01cf\u000b+\u0003+\u0003+\u0005+\u01d3\n+\u0003",
+    "+\u0006+\u01d6\n+\r+\u000e+\u01d7\u0003,\u0003,\u0003,\u0005,\u01dd",
+    "\n,\u0003,\u0003,\u0003,\u0005,\u01e2\n,\u0003-\u0003-\u0003-\u0005",
+    "-\u01e7\n-\u0003-\u0003-\u0003-\u0005-\u01ec\n-\u0003.\u0003.\u0003",
+    ".\u0003.\u0003.\u0003.\u0007.\u01f4\n.\f.\u000e.\u01f7\u000b.\u0003",
+    "/\u0003/\u0003/\u0003/\u0003/\u0003/\u0007/\u01ff\n/\f/\u000e/\u0202",
+    "\u000b/\u00030\u00030\u00050\u0206\n0\u00030\u00030\u00030\u00030\u0007",
+    "0\u020c\n0\f0\u000e0\u020f\u000b0\u00031\u00031\u00051\u0213\n1\u0003",
+    "1\u00031\u00031\u00031\u00032\u00032\u00062\u021b\n2\r2\u000e2\u021c",
+    "\u00032\u00032\u00032\u00032\u00033\u00033\u00053\u0225\n3\u00033\u0003",
+    "3\u00033\u00053\u022a\n3\u00033\u00053\u022d\n3\u00034\u00034\u0003",
+    "4\u00034\u00035\u00035\u00035\u00035\u00075\u0237\n5\f5\u000e5\u023a",
+    "\u000b5\u00035\u00035\u00035\u00075\u023f\n5\f5\u000e5\u0242\u000b5",
+    "\u00035\u00055\u0245\n5\u00035\u00055\u0248\n5\u00036\u00036\u00056",
+    "\u024c\n6\u00036\u00036\u00056\u0250\n6\u00037\u00037\u00057\u0254\n",
+    "7\u00037\u00037\u00037\u00067\u0259\n7\r7\u000e7\u025a\u00037\u0003",
+    "7\u00037\u00037\u00037\u00057\u0262\n7\u00038\u00038\u00038\u00038\u0005",
+    "8\u0268\n8\u00039\u00039\u00039\u00039\u00059\u026e\n9\u00039\u0003",
+    "9\u00039\u00059\u0273\n9\u00059\u0275\n9\u0003:\u0003:\u0003:\u0003",
+    ";\u0003;\u0003;\u0003;\u0007;\u027e\n;\f;\u000e;\u0281\u000b;\u0003",
+    ";\u0003;\u0005;\u0285\n;\u0003<\u0003<\u0003<\u0007<\u028a\n<\f<\u000e",
+    "<\u028d\u000b<\u0003<\u0003<\u0003=\u0003=\u0003=\u0005=\u0294\n=\u0003",
+    ">\u0003>\u0003?\u0003?\u0003?\u0003?\u0003?\u0005?\u029d\n?\u0003@\u0003",
+    "@\u0003A\u0003A\u0003B\u0003B\u0003C\u0003C\u0003D\u0003D\u0003E\u0003",
+    "E\u0003F\u0003F\u0003F\u0003F\u0003F\u0003F\u0003F\u0003F\u0003F\u0003",
+    "F\u0003F\u0003F\u0005F\u02b7\nF\u0003G\u0003G\u0003G\u0005G\u02bc\n",
+    "G\u0003G\u0003G\u0007G\u02c0\nG\fG\u000eG\u02c3\u000bG\u0003H\u0003",
+    "H\u0005H\u02c7\nH\u0003I\u0003I\u0006I\u02cb\nI\rI\u000eI\u02cc\u0003",
+    "I\u0005I\u02d0\nI\u0003I\u0005I\u02d3\nI\u0003J\u0003J\u0003J\u0005",
+    "J\u02d8\nJ\u0003K\u0003K\u0003K\u0003K\u0003L\u0003L\u0005L\u02e0\n",
+    "L\u0003M\u0003M\u0003N\u0003N\u0005N\u02e6\nN\u0003O\u0003O\u0003P\u0003",
+    "P\u0005P\u02ec\nP\u0003P\u0002\u0002Q\u0002\u0004\u0006\b\n\f\u000e",
+    "\u0010\u0012\u0014\u0016\u0018\u001a\u001c\u001e \"$&(*,.02468:<>@B",
+    "DFHJLNPRTVXZ\\^`bdfhjlnprtvxz|~\u0080\u0082\u0084\u0086\u0088\u008a",
+    "\u008c\u008e\u0090\u0092\u0094\u0096\u0098\u009a\u009c\u009e\u0002\u000e",
+    "\u0004\u0002\u0003\u0006\b\f\u0003\u0002;<\u0003\u0002PQ\u0003\u0002",
+    "-.\u0004\u000266MM\u0007\u0002\u001b\u001f//13==MM\u0004\u000222MM\u0003",
+    "\u0002\u001a\u001f\u0003\u0002!$\u0003\u0002>?\u0003\u0002DE\u0003\u0002",
+    "+,\u0002\u0321\u0002\u00a3\u0003\u0002\u0002\u0002\u0004\u00b4\u0003",
+    "\u0002\u0002\u0002\u0006\u00b6\u0003\u0002\u0002\u0002\b\u00bb\u0003",
+    "\u0002\u0002\u0002\n\u00c8\u0003\u0002\u0002\u0002\f\u00d6\u0003\u0002",
+    "\u0002\u0002\u000e\u00e4\u0003\u0002\u0002\u0002\u0010\u00f7\u0003\u0002",
+    "\u0002\u0002\u0012\u0102\u0003\u0002\u0002\u0002\u0014\u0106\u0003\u0002",
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+    "\u0002\u0002\u001e\u012c\u0003\u0002\u0002\u0002 \u012e\u0003\u0002",
+    "\u0002\u0002\"\u013f\u0003\u0002\u0002\u0002$\u0144\u0003\u0002\u0002",
+    "\u0002&\u0146\u0003\u0002\u0002\u0002(\u0157\u0003\u0002\u0002\u0002",
+    "*\u015d\u0003\u0002\u0002\u0002,\u015f\u0003\u0002\u0002\u0002.\u016a",
+    "\u0003\u0002\u0002\u00020\u016c\u0003\u0002\u0002\u00022\u0170\u0003",
+    "\u0002\u0002\u00024\u0177\u0003\u0002\u0002\u00026\u018a\u0003\u0002",
+    "\u0002\u00028\u018e\u0003\u0002\u0002\u0002:\u0190\u0003\u0002\u0002",
+    "\u0002<\u0193\u0003\u0002\u0002\u0002>\u0196\u0003\u0002\u0002\u0002",
+    "@\u0199\u0003\u0002\u0002\u0002B\u019c\u0003\u0002\u0002\u0002D\u019f",
+    "\u0003\u0002\u0002\u0002F\u01a2\u0003\u0002\u0002\u0002H\u01a5\u0003",
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+    "\u0002\u0002N\u01b8\u0003\u0002\u0002\u0002P\u01bb\u0003\u0002\u0002",
+    "\u0002R\u01be\u0003\u0002\u0002\u0002T\u01c7\u0003\u0002\u0002\u0002",
+    "V\u01d9\u0003\u0002\u0002\u0002X\u01e3\u0003\u0002\u0002\u0002Z\u01ed",
+    "\u0003\u0002\u0002\u0002\\\u01f8\u0003\u0002\u0002\u0002^\u0203\u0003",
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+    "\u0002\u008a\u02b6\u0003\u0002\u0002\u0002\u008c\u02b8\u0003\u0002\u0002",
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+    "\u0002\u009e\u02eb\u0003\u0002\u0002\u0002\u00a0\u00a2\u0005\u0004\u0003",
+    "\u0002\u00a1\u00a0\u0003\u0002\u0002\u0002\u00a2\u00a5\u0003\u0002\u0002",
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+    "\u00ae\u00b5\u0005&\u0014\u0002\u00af\u00b5\u0005,\u0017\u0002\u00b0",
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+    "\u0005\f\u0007\u0002\u00b3\u00b5\u0005\u000e\b\u0002\u00b4\u00a8\u0003",
+    "\u0002\u0002\u0002\u00b4\u00a9\u0003\u0002\u0002\u0002\u00b4\u00aa\u0003",
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+    "\u0002\u0002\u0002\u00b6\u00b7\u0007\u0003\u0002\u0002\u00b7\u00b8\u0007",
+    "M\u0002\u0002\u00b8\u00b9\u00076\u0002\u0002\u00b9\u00ba\u0007M\u0002",
+    "\u0002\u00ba\u0007\u0003\u0002\u0002\u0002\u00bb\u00bc\u0007\u0004\u0002",
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+    "\u00c5\u0003\u0002\u0002\u0002\u00c2\u00c4\u0005\u0012\n\u0002\u00c3",
+    "\u00c2\u0003\u0002\u0002\u0002\u00c4\u00c7\u0003\u0002\u0002\u0002\u00c5",
+    "\u00c3\u0003\u0002\u0002\u0002\u00c5\u00c6\u0003\u0002\u0002\u0002\u00c6",
+    "\t\u0003\u0002\u0002\u0002\u00c7\u00c5\u0003\u0002\u0002\u0002\u00c8",
+    "\u00c9\u0007\u0005\u0002\u0002\u00c9\u00cd\u0005~@\u0002\u00ca\u00cc",
+    "\u0005\u0010\t\u0002\u00cb\u00ca\u0003\u0002\u0002\u0002\u00cc\u00cf",
+    "\u0003\u0002\u0002\u0002\u00cd\u00cb\u0003\u0002\u0002\u0002\u00cd\u00ce",
+    "\u0003\u0002\u0002\u0002\u00ce\u00d3\u0003\u0002\u0002\u0002\u00cf\u00cd",
+    "\u0003\u0002\u0002\u0002\u00d0\u00d2\u0005\u0012\n\u0002\u00d1\u00d0",
+    "\u0003\u0002\u0002\u0002\u00d2\u00d5\u0003\u0002\u0002\u0002\u00d3\u00d1",
+    "\u0003\u0002\u0002\u0002\u00d3\u00d4\u0003\u0002\u0002\u0002\u00d4\u000b",
+    "\u0003\u0002\u0002\u0002\u00d5\u00d3\u0003\u0002\u0002\u0002\u00d6\u00d7",
+    "\u0007\r\u0002\u0002\u00d7\u00db\u0005~@\u0002\u00d8\u00da\u0005\u0010",
+    "\t\u0002\u00d9\u00d8\u0003\u0002\u0002\u0002\u00da\u00dd\u0003\u0002",
+    "\u0002\u0002\u00db\u00d9\u0003\u0002\u0002\u0002\u00db\u00dc\u0003\u0002",
+    "\u0002\u0002\u00dc\u00e1\u0003\u0002\u0002\u0002\u00dd\u00db\u0003\u0002",
+    "\u0002\u0002\u00de\u00e0\u0005\u0014\u000b\u0002\u00df\u00de\u0003\u0002",
+    "\u0002\u0002\u00e0\u00e3\u0003\u0002\u0002\u0002\u00e1\u00df\u0003\u0002",
+    "\u0002\u0002\u00e1\u00e2\u0003\u0002\u0002\u0002\u00e2\r\u0003\u0002",
+    "\u0002\u0002\u00e3\u00e1\u0003\u0002\u0002\u0002\u00e4\u00e5\u0007\u000e",
+    "\u0002\u0002\u00e5\u00e9\u0005~@\u0002\u00e6\u00e8\u0005\u0010\t\u0002",
+    "\u00e7\u00e6\u0003\u0002\u0002\u0002\u00e8\u00eb\u0003\u0002\u0002\u0002",
+    "\u00e9\u00e7\u0003\u0002\u0002\u0002\u00e9\u00ea\u0003\u0002\u0002\u0002",
+    "\u00ea\u00ef\u0003\u0002\u0002\u0002\u00eb\u00e9\u0003\u0002\u0002\u0002",
+    "\u00ec\u00ee\u0005\u0014\u000b\u0002\u00ed\u00ec\u0003\u0002\u0002\u0002",
+    "\u00ee\u00f1\u0003\u0002\u0002\u0002\u00ef\u00ed\u0003\u0002\u0002\u0002",
+    "\u00ef\u00f0\u0003\u0002\u0002\u0002\u00f0\u000f\u0003\u0002\u0002\u0002",
+    "\u00f1\u00ef\u0003\u0002\u0002\u0002\u00f2\u00f8\u0005:\u001e\u0002",
+    "\u00f3\u00f8\u0005<\u001f\u0002\u00f4\u00f8\u0005> \u0002\u00f5\u00f8",
+    "\u0005@!\u0002\u00f6\u00f8\u0005L\'\u0002\u00f7\u00f2\u0003\u0002\u0002",
+    "\u0002\u00f7\u00f3\u0003\u0002\u0002\u0002\u00f7\u00f4\u0003\u0002\u0002",
+    "\u0002\u00f7\u00f5\u0003\u0002\u0002\u0002\u00f7\u00f6\u0003\u0002\u0002",
+    "\u0002\u00f8\u0011\u0003\u0002\u0002\u0002\u00f9\u0103\u0005R*\u0002",
+    "\u00fa\u0103\u0005T+\u0002\u00fb\u0103\u0005V,\u0002\u00fc\u0103\u0005",
+    "X-\u0002\u00fd\u0103\u0005Z.\u0002\u00fe\u0103\u0005\\/\u0002\u00ff",
+    "\u0103\u0005^0\u0002\u0100\u0103\u0005`1\u0002\u0101\u0103\u0005f4\u0002",
+    "\u0102\u00f9\u0003\u0002\u0002\u0002\u0102\u00fa\u0003\u0002\u0002\u0002",
+    "\u0102\u00fb\u0003\u0002\u0002\u0002\u0102\u00fc\u0003\u0002\u0002\u0002",
+    "\u0102\u00fd\u0003\u0002\u0002\u0002\u0102\u00fe\u0003\u0002\u0002\u0002",
+    "\u0102\u00ff\u0003\u0002\u0002\u0002\u0102\u0100\u0003\u0002\u0002\u0002",
+    "\u0102\u0101\u0003\u0002\u0002\u0002\u0103\u0013\u0003\u0002\u0002\u0002",
+    "\u0104\u0107\u0005\u0012\n\u0002\u0105\u0107\u0005h5\u0002\u0106\u0104",
+    "\u0003\u0002\u0002\u0002\u0106\u0105\u0003\u0002\u0002\u0002\u0107\u0015",
+    "\u0003\u0002\u0002\u0002\u0108\u0109\u0007\u0006\u0002\u0002\u0109\u010d",
+    "\u0005~@\u0002\u010a\u010c\u0005\u0018\r\u0002\u010b\u010a\u0003\u0002",
+    "\u0002\u0002\u010c\u010f\u0003\u0002\u0002\u0002\u010d\u010b\u0003\u0002",
+    "\u0002\u0002\u010d\u010e\u0003\u0002\u0002\u0002\u010e\u0113\u0003\u0002",
+    "\u0002\u0002\u010f\u010d\u0003\u0002\u0002\u0002\u0110\u0112\u0005\u001a",
+    "\u000e\u0002\u0111\u0110\u0003\u0002\u0002\u0002\u0112\u0115\u0003\u0002",
+    "\u0002\u0002\u0113\u0111\u0003\u0002\u0002\u0002\u0113\u0114\u0003\u0002",
+    "\u0002\u0002\u0114\u0017\u0003\u0002\u0002\u0002\u0115\u0113\u0003\u0002",
+    "\u0002\u0002\u0116\u011c\u0005H%\u0002\u0117\u011c\u0005> \u0002\u0118",
+    "\u011c\u0005@!\u0002\u0119\u011c\u0005J&\u0002\u011a\u011c\u0005L\'",
+    "\u0002\u011b\u0116\u0003\u0002\u0002\u0002\u011b\u0117\u0003\u0002\u0002",
+    "\u0002\u011b\u0118\u0003\u0002\u0002\u0002\u011b\u0119\u0003\u0002\u0002",
+    "\u0002\u011b\u011a\u0003\u0002\u0002\u0002\u011c\u0019\u0003\u0002\u0002",
+    "\u0002\u011d\u0120\u0005X-\u0002\u011e\u0120\u0005f4\u0002\u011f\u011d",
+    "\u0003\u0002\u0002\u0002\u011f\u011e\u0003\u0002\u0002\u0002\u0120\u001b",
+    "\u0003\u0002\u0002\u0002\u0121\u0122\u0007\b\u0002\u0002\u0122\u0124",
+    "\u0005~@\u0002\u0123\u0125\u0005\u001e\u0010\u0002\u0124\u0123\u0003",
+    "\u0002\u0002\u0002\u0125\u0126\u0003\u0002\u0002\u0002\u0126\u0124\u0003",
+    "\u0002\u0002\u0002\u0126\u0127\u0003\u0002\u0002\u0002\u0127\u001d\u0003",
+    "\u0002\u0002\u0002\u0128\u012d\u0005@!\u0002\u0129\u012d\u0005B\"\u0002",
+    "\u012a\u012d\u0005D#\u0002\u012b\u012d\u0005F$\u0002\u012c\u0128\u0003",
+    "\u0002\u0002\u0002\u012c\u0129\u0003\u0002\u0002\u0002\u012c\u012a\u0003",
+    "\u0002\u0002\u0002\u012c\u012b\u0003\u0002\u0002\u0002\u012d\u001f\u0003",
+    "\u0002\u0002\u0002\u012e\u012f\u0007\t\u0002\u0002\u012f\u0133\u0005",
+    "~@\u0002\u0130\u0132\u0005\"\u0012\u0002\u0131\u0130\u0003\u0002\u0002",
+    "\u0002\u0132\u0135\u0003\u0002\u0002\u0002\u0133\u0131\u0003\u0002\u0002",
+    "\u0002\u0133\u0134\u0003\u0002\u0002\u0002\u0134\u0139\u0003\u0002\u0002",
+    "\u0002\u0135\u0133\u0003\u0002\u0002\u0002\u0136\u0138\u0005$\u0013",
+    "\u0002\u0137\u0136\u0003\u0002\u0002\u0002\u0138\u013b\u0003\u0002\u0002",
+    "\u0002\u0139\u0137\u0003\u0002\u0002\u0002\u0139\u013a\u0003\u0002\u0002",
+    "\u0002\u013a!\u0003\u0002\u0002\u0002\u013b\u0139\u0003\u0002\u0002",
+    "\u0002\u013c\u0140\u0005<\u001f\u0002\u013d\u0140\u0005> \u0002\u013e",
+    "\u0140\u0005@!\u0002\u013f\u013c\u0003\u0002\u0002\u0002\u013f\u013d",
+    "\u0003\u0002\u0002\u0002\u013f\u013e\u0003\u0002\u0002\u0002\u0140#",
+    "\u0003\u0002\u0002\u0002\u0141\u0145\u0005j6\u0002\u0142\u0145\u0005",
+    "`1\u0002\u0143\u0145\u0005f4\u0002\u0144\u0141\u0003\u0002\u0002\u0002",
+    "\u0144\u0142\u0003\u0002\u0002\u0002\u0144\u0143\u0003\u0002\u0002\u0002",
+    "\u0145%\u0003\u0002\u0002\u0002\u0146\u0147\u0007\n\u0002\u0002\u0147",
+    "\u014b\u0005~@\u0002\u0148\u014a\u0005(\u0015\u0002\u0149\u0148\u0003",
+    "\u0002\u0002\u0002\u014a\u014d\u0003\u0002\u0002\u0002\u014b\u0149\u0003",
+    "\u0002\u0002\u0002\u014b\u014c\u0003\u0002\u0002\u0002\u014c\u0151\u0003",
+    "\u0002\u0002\u0002\u014d\u014b\u0003\u0002\u0002\u0002\u014e\u0150\u0005",
+    "*\u0016\u0002\u014f\u014e\u0003\u0002\u0002\u0002\u0150\u0153\u0003",
+    "\u0002\u0002\u0002\u0151\u014f\u0003\u0002\u0002\u0002\u0151\u0152\u0003",
+    "\u0002\u0002\u0002\u0152\'\u0003\u0002\u0002\u0002\u0153\u0151\u0003",
+    "\u0002\u0002\u0002\u0154\u0158\u0005<\u001f\u0002\u0155\u0158\u0005",
+    "> \u0002\u0156\u0158\u0005@!\u0002\u0157\u0154\u0003\u0002\u0002\u0002",
+    "\u0157\u0155\u0003\u0002\u0002\u0002\u0157\u0156\u0003\u0002\u0002\u0002",
+    "\u0158)\u0003\u0002\u0002\u0002\u0159\u015e\u0005\u0090I\u0002\u015a",
+    "\u015e\u0005`1\u0002\u015b\u015e\u0005b2\u0002\u015c\u015e\u0005f4\u0002",
+    "\u015d\u0159\u0003\u0002\u0002\u0002\u015d\u015a\u0003\u0002\u0002\u0002",
+    "\u015d\u015b\u0003\u0002\u0002\u0002\u015d\u015c\u0003\u0002\u0002\u0002",
+    "\u015e+\u0003\u0002\u0002\u0002\u015f\u0160\u0007\u000b\u0002\u0002",
+    "\u0160\u0162\u0007Q\u0002\u0002\u0161\u0163\u0005.\u0018\u0002\u0162",
+    "\u0161\u0003\u0002\u0002\u0002\u0163\u0164\u0003\u0002\u0002\u0002\u0164",
+    "\u0162\u0003\u0002\u0002\u0002\u0164\u0165\u0003\u0002\u0002\u0002\u0165",
+    "-\u0003\u0002\u0002\u0002\u0166\u016b\u0005\u0012\n\u0002\u0167\u016b",
+    "\u0005\u0090I\u0002\u0168\u016b\u0005b2\u0002\u0169\u016b\u0005j6\u0002",
+    "\u016a\u0166\u0003\u0002\u0002\u0002\u016a\u0167\u0003\u0002\u0002\u0002",
+    "\u016a\u0168\u0003\u0002\u0002\u0002\u016a\u0169\u0003\u0002\u0002\u0002",
+    "\u016b/\u0003\u0002\u0002\u0002\u016c\u016d\u0007\u000b\u0002\u0002",
+    "\u016d\u016e\u0007P\u0002\u0002\u016e\u016f\u00052\u001a\u0002\u016f",
+    "1\u0003\u0002\u0002\u0002\u0170\u0174\u00077\u0002\u0002\u0171\u0173",
+    "\n\u0002\u0002\u0002\u0172\u0171\u0003\u0002\u0002\u0002\u0173\u0176",
+    "\u0003\u0002\u0002\u0002\u0174\u0172\u0003\u0002\u0002\u0002\u0174\u0175",
+    "\u0003\u0002\u0002\u0002\u01753\u0003\u0002\u0002\u0002\u0176\u0174",
+    "\u0003\u0002\u0002\u0002\u0177\u0178\u0007\f\u0002\u0002\u0178\u017c",
+    "\u0005~@\u0002\u0179\u017b\u00056\u001c\u0002\u017a\u0179\u0003\u0002",
+    "\u0002\u0002\u017b\u017e\u0003\u0002\u0002\u0002\u017c\u017a\u0003\u0002",
+    "\u0002\u0002\u017c\u017d\u0003\u0002\u0002\u0002\u017d\u0182\u0003\u0002",
+    "\u0002\u0002\u017e\u017c\u0003\u0002\u0002\u0002\u017f\u0181\u00058",
+    "\u001d\u0002\u0180\u017f\u0003\u0002\u0002\u0002\u0181\u0184\u0003\u0002",
+    "\u0002\u0002\u0182\u0180\u0003\u0002\u0002\u0002\u0182\u0183\u0003\u0002",
+    "\u0002\u0002\u01835\u0003\u0002\u0002\u0002\u0184\u0182\u0003\u0002",
+    "\u0002\u0002\u0185\u018b\u0005<\u001f\u0002\u0186\u018b\u0005N(\u0002",
+    "\u0187\u018b\u0005P)\u0002\u0188\u018b\u0005@!\u0002\u0189\u018b\u0005",
+    "> \u0002\u018a\u0185\u0003\u0002\u0002\u0002\u018a\u0186\u0003\u0002",
+    "\u0002\u0002\u018a\u0187\u0003\u0002\u0002\u0002\u018a\u0188\u0003\u0002",
+    "\u0002\u0002\u018a\u0189\u0003\u0002\u0002\u0002\u018b7\u0003\u0002",
+    "\u0002\u0002\u018c\u018f\u0005d3\u0002\u018d\u018f\u0005f4\u0002\u018e",
+    "\u018c\u0003\u0002\u0002\u0002\u018e\u018d\u0003\u0002\u0002\u0002\u018f",
+    "9\u0003\u0002\u0002\u0002\u0190\u0191\u0007\u0010\u0002\u0002\u0191",
+    "\u0192\u0005~@\u0002\u0192;\u0003\u0002\u0002\u0002\u0193\u0194\u0007",
+    "\u0011\u0002\u0002\u0194\u0195\u0005~@\u0002\u0195=\u0003\u0002\u0002",
+    "\u0002\u0196\u0197\u0007\u0012\u0002\u0002\u0197\u0198\u0007;\u0002",
+    "\u0002\u0198?\u0003\u0002\u0002\u0002\u0199\u019a\u0007\u0013\u0002",
+    "\u0002\u019a\u019b\t\u0003\u0002\u0002\u019bA\u0003\u0002\u0002\u0002",
+    "\u019c\u019d\u0007\u0014\u0002\u0002\u019d\u019e\u0007;\u0002\u0002",
+    "\u019eC\u0003\u0002\u0002\u0002\u019f\u01a0\u0007\u0015\u0002\u0002",
+    "\u01a0\u01a1\u0007;\u0002\u0002\u01a1E\u0003\u0002\u0002\u0002\u01a2",
+    "\u01a3\u0007\u0016\u0002\u0002\u01a3\u01a4\u0007?\u0002\u0002\u01a4",
+    "G\u0003\u0002\u0002\u0002\u01a5\u01a6\u0007\u0007\u0002\u0002\u01a6",
+    "\u01a7\u0005~@\u0002\u01a7I\u0003\u0002\u0002\u0002\u01a8\u01a9\u0007",
+    "\u0017\u0002\u0002\u01a9\u01aa\u0007?\u0002\u0002\u01aaK\u0003\u0002",
+    "\u0002\u0002\u01ab\u01b6\u0007\u000f\u0002\u0002\u01ac\u01ad\u0005~",
+    "@\u0002\u01ad\u01ae\u0007\'\u0002\u0002\u01ae\u01b0\u0003\u0002\u0002",
+    "\u0002\u01af\u01ac\u0003\u0002\u0002\u0002\u01b0\u01b3\u0003\u0002\u0002",
+    "\u0002\u01b1\u01af\u0003\u0002\u0002\u0002\u01b1\u01b2\u0003\u0002\u0002",
+    "\u0002\u01b2\u01b4\u0003\u0002\u0002\u0002\u01b3\u01b1\u0003\u0002\u0002",
+    "\u0002\u01b4\u01b7\u0005~@\u0002\u01b5\u01b7\u0007K\u0002\u0002\u01b6",
+    "\u01b1\u0003\u0002\u0002\u0002\u01b6\u01b5\u0003\u0002\u0002\u0002\u01b7",
+    "M\u0003\u0002\u0002\u0002\u01b8\u01b9\u0007\u0018\u0002\u0002\u01b9",
+    "\u01ba\u0005~@\u0002\u01baO\u0003\u0002\u0002\u0002\u01bb\u01bc\u0007",
+    "\u0019\u0002\u0002\u01bc\u01bd\u0007;\u0002\u0002\u01bdQ\u0003\u0002",
+    "\u0002\u0002\u01be\u01bf\u00077\u0002\u0002\u01bf\u01c0\u0005\u0080",
+    "A\u0002\u01c0\u01c4\u0007C\u0002\u0002\u01c1\u01c3\u0005\u0086D\u0002",
+    "\u01c2\u01c1\u0003\u0002\u0002\u0002\u01c3\u01c6\u0003\u0002\u0002\u0002",
+    "\u01c4\u01c2\u0003\u0002\u0002\u0002\u01c4\u01c5\u0003\u0002\u0002\u0002",
+    "\u01c5S\u0003\u0002\u0002\u0002\u01c6\u01c4\u0003\u0002\u0002\u0002",
+    "\u01c7\u01d2\u00077\u0002\u0002\u01c8\u01c9\u0005\u0080A\u0002\u01c9",
+    "\u01ca\u0007\'\u0002\u0002\u01ca\u01cc\u0003\u0002\u0002\u0002\u01cb",
+    "\u01c8\u0003\u0002\u0002\u0002\u01cc\u01cf\u0003\u0002\u0002\u0002\u01cd",
+    "\u01cb\u0003\u0002\u0002\u0002\u01cd\u01ce\u0003\u0002\u0002\u0002\u01ce",
+    "\u01d0\u0003\u0002\u0002\u0002\u01cf\u01cd\u0003\u0002\u0002\u0002\u01d0",
+    "\u01d3\u0005\u0080A\u0002\u01d1\u01d3\u0005\u0082B\u0002\u01d2\u01cd",
+    "\u0003\u0002\u0002\u0002\u01d2\u01d1\u0003\u0002\u0002\u0002\u01d3\u01d5",
+    "\u0003\u0002\u0002\u0002\u01d4\u01d6\u0005\u0086D\u0002\u01d5\u01d4",
+    "\u0003\u0002\u0002\u0002\u01d6\u01d7\u0003\u0002\u0002\u0002\u01d7\u01d5",
+    "\u0003\u0002\u0002\u0002\u01d7\u01d8\u0003\u0002\u0002\u0002\u01d8U",
+    "\u0003\u0002\u0002\u0002\u01d9\u01da\u00077\u0002\u0002\u01da\u01dc",
+    "\u0005\u0080A\u0002\u01db\u01dd\u00073\u0002\u0002\u01dc\u01db\u0003",
+    "\u0002\u0002\u0002\u01dc\u01dd\u0003\u0002\u0002\u0002\u01dd\u01de\u0003",
+    "\u0002\u0002\u0002\u01de\u01df\u0007 \u0002\u0002\u01df\u01e1\u0005",
+    "~@\u0002\u01e0\u01e2\u0005\u0088E\u0002\u01e1\u01e0\u0003\u0002\u0002",
+    "\u0002\u01e1\u01e2\u0003\u0002\u0002\u0002\u01e2W\u0003\u0002\u0002",
+    "\u0002\u01e3\u01e4\u00077\u0002\u0002\u01e4\u01e6\u0005\u0080A\u0002",
+    "\u01e5\u01e7\u00073\u0002\u0002\u01e6\u01e5\u0003\u0002\u0002\u0002",
+    "\u01e6\u01e7\u0003\u0002\u0002\u0002\u01e7\u01e8\u0003\u0002\u0002\u0002",
+    "\u01e8\u01e9\u00076\u0002\u0002\u01e9\u01eb\u0005\u008aF\u0002\u01ea",
+    "\u01ec\u00074\u0002\u0002\u01eb\u01ea\u0003\u0002\u0002\u0002\u01eb",
+    "\u01ec\u0003\u0002\u0002\u0002\u01ecY\u0003\u0002\u0002\u0002\u01ed",
+    "\u01ee\u00077\u0002\u0002\u01ee\u01ef\u0005\u0080A\u0002\u01ef\u01f0",
+    "\u0007%\u0002\u0002\u01f0\u01f5\u0005\u008cG\u0002\u01f1\u01f2\u0007",
+    "\'\u0002\u0002\u01f2\u01f4\u0005\u008cG\u0002\u01f3\u01f1\u0003\u0002",
+    "\u0002\u0002\u01f4\u01f7\u0003\u0002\u0002\u0002\u01f5\u01f3\u0003\u0002",
+    "\u0002\u0002\u01f5\u01f6\u0003\u0002\u0002\u0002\u01f6[\u0003\u0002",
+    "\u0002\u0002\u01f7\u01f5\u0003\u0002\u0002\u0002\u01f8\u01f9\u00077",
+    "\u0002\u0002\u01f9\u01fa\u0005\u0080A\u0002\u01fa\u01fb\u0007(\u0002",
+    "\u0002\u01fb\u0200\u0005\u009eP\u0002\u01fc\u01fd\u0007)\u0002\u0002",
+    "\u01fd\u01ff\u0005\u009eP\u0002\u01fe\u01fc\u0003\u0002\u0002\u0002",
+    "\u01ff\u0202\u0003\u0002\u0002\u0002\u0200\u01fe\u0003\u0002\u0002\u0002",
+    "\u0200\u0201\u0003\u0002\u0002\u0002\u0201]\u0003\u0002\u0002\u0002",
+    "\u0202\u0200\u0003\u0002\u0002\u0002\u0203\u0205\u00077\u0002\u0002",
+    "\u0204\u0206\u0005\u0080A\u0002\u0205\u0204\u0003\u0002\u0002\u0002",
+    "\u0205\u0206\u0003\u0002\u0002\u0002\u0206\u0207\u0003\u0002\u0002\u0002",
+    "\u0207\u0208\u0007*\u0002\u0002\u0208\u020d\u0005~@\u0002\u0209\u020a",
+    "\u0007\'\u0002\u0002\u020a\u020c\u0005~@\u0002\u020b\u0209\u0003\u0002",
+    "\u0002\u0002\u020c\u020f\u0003\u0002\u0002\u0002\u020d\u020b\u0003\u0002",
+    "\u0002\u0002\u020d\u020e\u0003\u0002\u0002\u0002\u020e_\u0003\u0002",
+    "\u0002\u0002\u020f\u020d\u0003\u0002\u0002\u0002\u0210\u0212\u00077",
+    "\u0002\u0002\u0211\u0213\u0005\u0080A\u0002\u0212\u0211\u0003\u0002",
+    "\u0002\u0002\u0212\u0213\u0003\u0002\u0002\u0002\u0213\u0214\u0003\u0002",
+    "\u0002\u0002\u0214\u0215\u0005\u0084C\u0002\u0215\u0216\u00076\u0002",
+    "\u0002\u0216\u0217\u0005\u008aF\u0002\u0217a\u0003\u0002\u0002\u0002",
+    "\u0218\u021a\u00077\u0002\u0002\u0219\u021b\u0007?\u0002\u0002\u021a",
+    "\u0219\u0003\u0002\u0002\u0002\u021b\u021c\u0003\u0002\u0002\u0002\u021c",
+    "\u021a\u0003\u0002\u0002\u0002\u021c\u021d\u0003\u0002\u0002\u0002\u021d",
+    "\u021e\u0003\u0002\u0002\u0002\u021e\u021f\u0005\u0084C\u0002\u021f",
+    "\u0220\u00076\u0002\u0002\u0220\u0221\u0005\u008aF\u0002\u0221c\u0003",
+    "\u0002\u0002\u0002\u0222\u0224\u00077\u0002\u0002\u0223\u0225\u0005",
+    "\u0080A\u0002\u0224\u0223\u0003\u0002\u0002\u0002\u0224\u0225\u0003",
+    "\u0002\u0002\u0002\u0225\u0226\u0003\u0002\u0002\u0002\u0226\u0227\u0007",
+    ":\u0002\u0002\u0227\u0229\u0007;\u0002\u0002\u0228\u022a\u0007;\u0002",
+    "\u0002\u0229\u0228\u0003\u0002\u0002\u0002\u0229\u022a\u0003\u0002\u0002",
+    "\u0002\u022a\u022c\u0003\u0002\u0002\u0002\u022b\u022d\u0007?\u0002",
+    "\u0002\u022c\u022b\u0003\u0002\u0002\u0002\u022c\u022d\u0003\u0002\u0002",
+    "\u0002\u022de\u0003\u0002\u0002\u0002\u022e\u022f\u00077\u0002\u0002",
+    "\u022f\u0230\u00075\u0002\u0002\u0230\u0231\t\u0004\u0002\u0002\u0231",
+    "g\u0003\u0002\u0002\u0002\u0232\u0233\u00077\u0002\u0002\u0233\u0234",
+    "\u0005\u0080A\u0002\u0234\u0238\u0007C\u0002\u0002\u0235\u0237\u0005",
+    "\u0086D\u0002\u0236\u0235\u0003\u0002\u0002\u0002\u0237\u023a\u0003",
+    "\u0002\u0002\u0002\u0238\u0236\u0003\u0002\u0002\u0002\u0238\u0239\u0003",
+    "\u0002\u0002\u0002\u0239\u023b\u0003\u0002\u0002\u0002\u023a\u0238\u0003",
+    "\u0002\u0002\u0002\u023b\u0240\u0005\u009eP\u0002\u023c\u023d\u0007",
+    ")\u0002\u0002\u023d\u023f\u0005\u009eP\u0002\u023e\u023c\u0003\u0002",
+    "\u0002\u0002\u023f\u0242\u0003\u0002\u0002\u0002\u0240\u023e\u0003\u0002",
+    "\u0002\u0002\u0240\u0241\u0003\u0002\u0002\u0002\u0241\u0244\u0003\u0002",
+    "\u0002\u0002\u0242\u0240\u0003\u0002\u0002\u0002\u0243\u0245\u0007;",
+    "\u0002\u0002\u0244\u0243\u0003\u0002\u0002\u0002\u0244\u0245\u0003\u0002",
+    "\u0002\u0002\u0245\u0247\u0003\u0002\u0002\u0002\u0246\u0248\u0007;",
+    "\u0002\u0002\u0247\u0246\u0003\u0002\u0002\u0002\u0247\u0248\u0003\u0002",
+    "\u0002\u0002\u0248i\u0003\u0002\u0002\u0002\u0249\u024b\u00077\u0002",
+    "\u0002\u024a\u024c\t\u0005\u0002\u0002\u024b\u024a\u0003\u0002\u0002",
+    "\u0002\u024b\u024c\u0003\u0002\u0002\u0002\u024c\u024f\u0003\u0002\u0002",
+    "\u0002\u024d\u0250\u0005l7\u0002\u024e\u0250\u0005n8\u0002\u024f\u024d",
+    "\u0003\u0002\u0002\u0002\u024f\u024e\u0003\u0002\u0002\u0002\u0250k",
+    "\u0003\u0002\u0002\u0002\u0251\u0253\u0005\u008eH\u0002\u0252\u0254",
+    "\u0005p9\u0002\u0253\u0252\u0003\u0002\u0002\u0002\u0253\u0254\u0003",
+    "\u0002\u0002\u0002\u0254\u0262\u0003\u0002\u0002\u0002\u0255\u0256\u0005",
+    "\u008eH\u0002\u0256\u0257\u0007\'\u0002\u0002\u0257\u0259\u0003\u0002",
+    "\u0002\u0002\u0258\u0255\u0003\u0002\u0002\u0002\u0259\u025a\u0003\u0002",
+    "\u0002\u0002\u025a\u0258\u0003\u0002\u0002\u0002\u025a\u025b\u0003\u0002",
+    "\u0002\u0002\u025b\u025c\u0003\u0002\u0002\u0002\u025c\u025d\u0005\u008e",
+    "H\u0002\u025d\u025e\u0005p9\u0002\u025e\u0262\u0003\u0002\u0002\u0002",
+    "\u025f\u0260\u0007I\u0002\u0002\u0260\u0262\u0005p9\u0002\u0261\u0251",
+    "\u0003\u0002\u0002\u0002\u0261\u0258\u0003\u0002\u0002\u0002\u0261\u025f",
+    "\u0003\u0002\u0002\u0002\u0262m\u0003\u0002\u0002\u0002\u0263\u0264",
+    "\u0007/\u0002\u0002\u0264\u0267\u0005p9\u0002\u0265\u0266\u00070\u0002",
+    "\u0002\u0266\u0268\u0005v<\u0002\u0267\u0265\u0003\u0002\u0002\u0002",
+    "\u0267\u0268\u0003\u0002\u0002\u0002\u0268o\u0003\u0002\u0002\u0002",
+    "\u0269\u0274\u0007 \u0002\u0002\u026a\u026d\u0005r:\u0002\u026b\u026c",
+    "\u0007\'\u0002\u0002\u026c\u026e\u0005t;\u0002\u026d\u026b\u0003\u0002",
+    "\u0002\u0002\u026d\u026e\u0003\u0002\u0002\u0002\u026e\u0275\u0003\u0002",
+    "\u0002\u0002\u026f\u0272\u0005t;\u0002\u0270\u0271\u0007\'\u0002\u0002",
+    "\u0271\u0273\u0005r:\u0002\u0272\u0270\u0003\u0002\u0002\u0002\u0272",
+    "\u0273\u0003\u0002\u0002\u0002\u0273\u0275\u0003\u0002\u0002\u0002\u0274",
+    "\u026a\u0003\u0002\u0002\u0002\u0274\u026f\u0003\u0002\u0002\u0002\u0275",
+    "q\u0003\u0002\u0002\u0002\u0276\u0277\u00072\u0002\u0002\u0277\u0278",
+    "\u0005~@\u0002\u0278s\u0003\u0002\u0002\u0002\u0279\u0284\u00071\u0002",
+    "\u0002\u027a\u027b\u0005~@\u0002\u027b\u027c\u0007\'\u0002\u0002\u027c",
+    "\u027e\u0003\u0002\u0002\u0002\u027d\u027a\u0003\u0002\u0002\u0002\u027e",
+    "\u0281\u0003\u0002\u0002\u0002\u027f\u027d\u0003\u0002\u0002\u0002\u027f",
+    "\u0280\u0003\u0002\u0002\u0002\u0280\u0282\u0003\u0002\u0002\u0002\u0281",
+    "\u027f\u0003\u0002\u0002\u0002\u0282\u0285\u0005~@\u0002\u0283\u0285",
+    "\u0007K\u0002\u0002\u0284\u027f\u0003\u0002\u0002\u0002\u0284\u0283",
+    "\u0003\u0002\u0002\u0002\u0285u\u0003\u0002\u0002\u0002\u0286\u0287",
+    "\u0005x=\u0002\u0287\u0288\u0007\'\u0002\u0002\u0288\u028a\u0003\u0002",
+    "\u0002\u0002\u0289\u0286\u0003\u0002\u0002\u0002\u028a\u028d\u0003\u0002",
+    "\u0002\u0002\u028b\u0289\u0003\u0002\u0002\u0002\u028b\u028c\u0003\u0002",
+    "\u0002\u0002\u028c\u028e\u0003\u0002\u0002\u0002\u028d\u028b\u0003\u0002",
+    "\u0002\u0002\u028e\u028f\u0005x=\u0002\u028fw\u0003\u0002\u0002\u0002",
+    "\u0290\u0291\u0005~@\u0002\u0291\u0293\u0005z>\u0002\u0292\u0294\u0005",
+    "|?\u0002\u0293\u0292\u0003\u0002\u0002\u0002\u0293\u0294\u0003\u0002",
+    "\u0002\u0002\u0294y\u0003\u0002\u0002\u0002\u0295\u0296\t\u0006\u0002",
+    "\u0002\u0296{\u0003\u0002\u0002\u0002\u0297\u029d\u0005\u008eH\u0002",
+    "\u0298\u029d\u0007+\u0002\u0002\u0299\u029d\u0007,\u0002\u0002\u029a",
+    "\u029d\u0007H\u0002\u0002\u029b\u029d\u0007;\u0002\u0002\u029c\u0297",
+    "\u0003\u0002\u0002\u0002\u029c\u0298\u0003\u0002\u0002\u0002\u029c\u0299",
+    "\u0003\u0002\u0002\u0002\u029c\u029a\u0003\u0002\u0002\u0002\u029c\u029b",
+    "\u0003\u0002\u0002\u0002\u029d}\u0003\u0002\u0002\u0002\u029e\u029f",
+    "\t\u0007\u0002\u0002\u029f\u007f\u0003\u0002\u0002\u0002\u02a0\u02a1",
+    "\t\b\u0002\u0002\u02a1\u0081\u0003\u0002\u0002\u0002\u02a2\u02a3\u0007",
+    "K\u0002\u0002\u02a3\u0083\u0003\u0002\u0002\u0002\u02a4\u02a5\u0007",
+    "G\u0002\u0002\u02a5\u0085\u0003\u0002\u0002\u0002\u02a6\u02a7\t\t\u0002",
+    "\u0002\u02a7\u0087\u0003\u0002\u0002\u0002\u02a8\u02a9\t\n\u0002\u0002",
+    "\u02a9\u0089\u0003\u0002\u0002\u0002\u02aa\u02b7\u0007;\u0002\u0002",
+    "\u02ab\u02b7\u0007<\u0002\u0002\u02ac\u02b7\u0007=\u0002\u0002\u02ad",
+    "\u02b7\u0007A\u0002\u0002\u02ae\u02b7\u0007B\u0002\u0002\u02af\u02b7",
+    "\u0005\u0096L\u0002\u02b0\u02b7\u0005\u0098M\u0002\u02b1\u02b7\u0005",
+    "\u008eH\u0002\u02b2\u02b7\u0005\u0092J\u0002\u02b3\u02b7\u0005\u0094",
+    "K\u0002\u02b4\u02b7\u0005\u009cO\u0002\u02b5\u02b7\u0005~@\u0002\u02b6",
+    "\u02aa\u0003\u0002\u0002\u0002\u02b6\u02ab\u0003\u0002\u0002\u0002\u02b6",
+    "\u02ac\u0003\u0002\u0002\u0002\u02b6\u02ad\u0003\u0002\u0002\u0002\u02b6",
+    "\u02ae\u0003\u0002\u0002\u0002\u02b6\u02af\u0003\u0002\u0002\u0002\u02b6",
+    "\u02b0\u0003\u0002\u0002\u0002\u02b6\u02b1\u0003\u0002\u0002\u0002\u02b6",
+    "\u02b2\u0003\u0002\u0002\u0002\u02b6\u02b3\u0003\u0002\u0002\u0002\u02b6",
+    "\u02b4\u0003\u0002\u0002\u0002\u02b6\u02b5\u0003\u0002\u0002\u0002\u02b7",
+    "\u008b\u0003\u0002\u0002\u0002\u02b8\u02bb\u0005~@\u0002\u02b9\u02ba",
+    "\u0007&\u0002\u0002\u02ba\u02bc\u0005~@\u0002\u02bb\u02b9\u0003\u0002",
+    "\u0002\u0002\u02bb\u02bc\u0003\u0002\u0002\u0002\u02bc\u02bd\u0003\u0002",
+    "\u0002\u0002\u02bd\u02c1\u0007C\u0002\u0002\u02be\u02c0\u0005\u0086",
+    "D\u0002\u02bf\u02be\u0003\u0002\u0002\u0002\u02c0\u02c3\u0003\u0002",
+    "\u0002\u0002\u02c1\u02bf\u0003\u0002\u0002\u0002\u02c1\u02c2\u0003\u0002",
+    "\u0002\u0002\u02c2\u008d\u0003\u0002\u0002\u0002\u02c3\u02c1\u0003\u0002",
+    "\u0002\u0002\u02c4\u02c6\u0007?\u0002\u0002\u02c5\u02c7\u0007;\u0002",
+    "\u0002\u02c6\u02c5\u0003\u0002\u0002\u0002\u02c6\u02c7\u0003\u0002\u0002",
+    "\u0002\u02c7\u008f\u0003\u0002\u0002\u0002\u02c8\u02ca\u00077\u0002",
+    "\u0002\u02c9\u02cb\u0007?\u0002\u0002\u02ca\u02c9\u0003\u0002\u0002",
+    "\u0002\u02cb\u02cc\u0003\u0002\u0002\u0002\u02cc\u02ca\u0003\u0002\u0002",
+    "\u0002\u02cc\u02cd\u0003\u0002\u0002\u0002\u02cd\u02cf\u0003\u0002\u0002",
+    "\u0002\u02ce\u02d0\u0007;\u0002\u0002\u02cf\u02ce\u0003\u0002\u0002",
+    "\u0002\u02cf\u02d0\u0003\u0002\u0002\u0002\u02d0\u02d2\u0003\u0002\u0002",
+    "\u0002\u02d1\u02d3\t\u0003\u0002\u0002\u02d2\u02d1\u0003\u0002\u0002",
+    "\u0002\u02d2\u02d3\u0003\u0002\u0002\u0002\u02d3\u0091\u0003\u0002\u0002",
+    "\u0002\u02d4\u02d5\u0007=\u0002\u0002\u02d5\u02d7\t\u000b\u0002\u0002",
+    "\u02d6\u02d8\u0007;\u0002\u0002\u02d7\u02d6\u0003\u0002\u0002\u0002",
+    "\u02d7\u02d8\u0003\u0002\u0002\u0002\u02d8\u0093\u0003\u0002\u0002\u0002",
+    "\u02d9\u02da\u0005\u009aN\u0002\u02da\u02db\u00078\u0002\u0002\u02db",
+    "\u02dc\u0005\u009aN\u0002\u02dc\u0095\u0003\u0002\u0002\u0002\u02dd",
+    "\u02df\t\f\u0002\u0002\u02de\u02e0\u0007;\u0002\u0002\u02df\u02de\u0003",
+    "\u0002\u0002\u0002\u02df\u02e0\u0003\u0002\u0002\u0002\u02e0\u0097\u0003",
+    "\u0002\u0002\u0002\u02e1\u02e2\u0007F\u0002\u0002\u02e2\u0099\u0003",
+    "\u0002\u0002\u0002\u02e3\u02e6\u0007=\u0002\u0002\u02e4\u02e6\u0005",
+    "\u0092J\u0002\u02e5\u02e3\u0003\u0002\u0002\u0002\u02e5\u02e4\u0003",
+    "\u0002\u0002\u0002\u02e6\u009b\u0003\u0002\u0002\u0002\u02e7\u02e8\t",
+    "\r\u0002\u0002\u02e8\u009d\u0003\u0002\u0002\u0002\u02e9\u02ec\u0005",
+    "~@\u0002\u02ea\u02ec\u0005\u0096L\u0002\u02eb\u02e9\u0003\u0002\u0002",
+    "\u0002\u02eb\u02ea\u0003\u0002\u0002\u0002\u02ec\u009f\u0003\u0002\u0002",
+    "\u0002T\u00a3\u00b4\u00c0\u00c5\u00cd\u00d3\u00db\u00e1\u00e9\u00ef",
+    "\u00f7\u0102\u0106\u010d\u0113\u011b\u011f\u0126\u012c\u0133\u0139\u013f",
+    "\u0144\u014b\u0151\u0157\u015d\u0164\u016a\u0174\u017c\u0182\u018a\u018e",
+    "\u01b1\u01b6\u01c4\u01cd\u01d2\u01d7\u01dc\u01e1\u01e6\u01eb\u01f5\u0200",
+    "\u0205\u020d\u0212\u021c\u0224\u0229\u022c\u0238\u0240\u0244\u0247\u024b",
+    "\u024f\u0253\u025a\u0261\u0267\u026d\u0272\u0274\u027f\u0284\u028b\u0293",
+    "\u029c\u02b6\u02bb\u02c1\u02c6\u02cc\u02cf\u02d2\u02d7\u02df\u02e5\u02eb"].join("");
 
 
 var atn = new antlr4.atn.ATNDeserializer().deserialize(serializedATN);
@@ -528,13 +544,14 @@ var ruleNames =  [ "doc", "entity", "alias", "profile", "extension", "logical",
                    "severity", "instanceOf", "usage", "mixins", "source", 
                    "target", "cardRule", "flagRule", "valueSetRule", "fixedValueRule", 
                    "containsRule", "onlyRule", "obeysRule", "caretValueRule", 
-                   "mappingRule", "insertRule", "addElementRule", "vsComponent", 
-                   "vsConceptComponent", "vsFilterComponent", "vsComponentFrom", 
-                   "vsFromSystem", "vsFromValueset", "vsFilterList", "vsFilterDefinition", 
-                   "vsFilterOperator", "vsFilterValue", "name", "path", 
-                   "paths", "caretPath", "flag", "strength", "value", "item", 
-                   "code", "concept", "quantity", "ratio", "reference", 
-                   "canonical", "ratioPart", "bool", "targetType" ];
+                   "codeCaretValueRule", "mappingRule", "insertRule", "addElementRule", 
+                   "vsComponent", "vsConceptComponent", "vsFilterComponent", 
+                   "vsComponentFrom", "vsFromSystem", "vsFromValueset", 
+                   "vsFilterList", "vsFilterDefinition", "vsFilterOperator", 
+                   "vsFilterValue", "name", "path", "paths", "caretPath", 
+                   "flag", "strength", "value", "item", "code", "concept", 
+                   "quantity", "ratio", "reference", "canonical", "ratioPart", 
+                   "bool", "targetType" ];
 
 function FSHParser (input) {
 	antlr4.Parser.call(this, input);
@@ -683,36 +700,37 @@ FSHParser.RULE_containsRule = 44;
 FSHParser.RULE_onlyRule = 45;
 FSHParser.RULE_obeysRule = 46;
 FSHParser.RULE_caretValueRule = 47;
-FSHParser.RULE_mappingRule = 48;
-FSHParser.RULE_insertRule = 49;
-FSHParser.RULE_addElementRule = 50;
-FSHParser.RULE_vsComponent = 51;
-FSHParser.RULE_vsConceptComponent = 52;
-FSHParser.RULE_vsFilterComponent = 53;
-FSHParser.RULE_vsComponentFrom = 54;
-FSHParser.RULE_vsFromSystem = 55;
-FSHParser.RULE_vsFromValueset = 56;
-FSHParser.RULE_vsFilterList = 57;
-FSHParser.RULE_vsFilterDefinition = 58;
-FSHParser.RULE_vsFilterOperator = 59;
-FSHParser.RULE_vsFilterValue = 60;
-FSHParser.RULE_name = 61;
-FSHParser.RULE_path = 62;
-FSHParser.RULE_paths = 63;
-FSHParser.RULE_caretPath = 64;
-FSHParser.RULE_flag = 65;
-FSHParser.RULE_strength = 66;
-FSHParser.RULE_value = 67;
-FSHParser.RULE_item = 68;
-FSHParser.RULE_code = 69;
-FSHParser.RULE_concept = 70;
-FSHParser.RULE_quantity = 71;
-FSHParser.RULE_ratio = 72;
-FSHParser.RULE_reference = 73;
-FSHParser.RULE_canonical = 74;
-FSHParser.RULE_ratioPart = 75;
-FSHParser.RULE_bool = 76;
-FSHParser.RULE_targetType = 77;
+FSHParser.RULE_codeCaretValueRule = 48;
+FSHParser.RULE_mappingRule = 49;
+FSHParser.RULE_insertRule = 50;
+FSHParser.RULE_addElementRule = 51;
+FSHParser.RULE_vsComponent = 52;
+FSHParser.RULE_vsConceptComponent = 53;
+FSHParser.RULE_vsFilterComponent = 54;
+FSHParser.RULE_vsComponentFrom = 55;
+FSHParser.RULE_vsFromSystem = 56;
+FSHParser.RULE_vsFromValueset = 57;
+FSHParser.RULE_vsFilterList = 58;
+FSHParser.RULE_vsFilterDefinition = 59;
+FSHParser.RULE_vsFilterOperator = 60;
+FSHParser.RULE_vsFilterValue = 61;
+FSHParser.RULE_name = 62;
+FSHParser.RULE_path = 63;
+FSHParser.RULE_paths = 64;
+FSHParser.RULE_caretPath = 65;
+FSHParser.RULE_flag = 66;
+FSHParser.RULE_strength = 67;
+FSHParser.RULE_value = 68;
+FSHParser.RULE_item = 69;
+FSHParser.RULE_code = 70;
+FSHParser.RULE_concept = 71;
+FSHParser.RULE_quantity = 72;
+FSHParser.RULE_ratio = 73;
+FSHParser.RULE_reference = 74;
+FSHParser.RULE_canonical = 75;
+FSHParser.RULE_ratioPart = 76;
+FSHParser.RULE_bool = 77;
+FSHParser.RULE_targetType = 78;
 
 
 function DocContext(parser, parent, invokingState) {
@@ -778,17 +796,17 @@ FSHParser.prototype.doc = function() {
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 159;
+        this.state = 161;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         while((((_la) & ~0x1f) == 0 && ((1 << _la) & ((1 << FSHParser.KW_ALIAS) | (1 << FSHParser.KW_PROFILE) | (1 << FSHParser.KW_EXTENSION) | (1 << FSHParser.KW_INSTANCE) | (1 << FSHParser.KW_INVARIANT) | (1 << FSHParser.KW_VALUESET) | (1 << FSHParser.KW_CODESYSTEM) | (1 << FSHParser.KW_RULESET) | (1 << FSHParser.KW_MAPPING) | (1 << FSHParser.KW_LOGICAL) | (1 << FSHParser.KW_RESOURCE))) !== 0)) {
-            this.state = 156;
+            this.state = 158;
             this.entity();
-            this.state = 161;
+            this.state = 163;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         }
-        this.state = 162;
+        this.state = 164;
         this.match(FSHParser.EOF);
     } catch (re) {
     	if(re instanceof antlr4.error.RecognitionException) {
@@ -899,79 +917,79 @@ FSHParser.prototype.entity = function() {
     var localctx = new EntityContext(this, this._ctx, this.state);
     this.enterRule(localctx, 2, FSHParser.RULE_entity);
     try {
-        this.state = 176;
+        this.state = 178;
         this._errHandler.sync(this);
         var la_ = this._interp.adaptivePredict(this._input,1,this._ctx);
         switch(la_) {
         case 1:
             this.enterOuterAlt(localctx, 1);
-            this.state = 164;
+            this.state = 166;
             this.alias();
             break;
 
         case 2:
             this.enterOuterAlt(localctx, 2);
-            this.state = 165;
+            this.state = 167;
             this.profile();
             break;
 
         case 3:
             this.enterOuterAlt(localctx, 3);
-            this.state = 166;
+            this.state = 168;
             this.extension();
             break;
 
         case 4:
             this.enterOuterAlt(localctx, 4);
-            this.state = 167;
+            this.state = 169;
             this.invariant();
             break;
 
         case 5:
             this.enterOuterAlt(localctx, 5);
-            this.state = 168;
+            this.state = 170;
             this.instance();
             break;
 
         case 6:
             this.enterOuterAlt(localctx, 6);
-            this.state = 169;
+            this.state = 171;
             this.valueSet();
             break;
 
         case 7:
             this.enterOuterAlt(localctx, 7);
-            this.state = 170;
+            this.state = 172;
             this.codeSystem();
             break;
 
         case 8:
             this.enterOuterAlt(localctx, 8);
-            this.state = 171;
+            this.state = 173;
             this.ruleSet();
             break;
 
         case 9:
             this.enterOuterAlt(localctx, 9);
-            this.state = 172;
+            this.state = 174;
             this.paramRuleSet();
             break;
 
         case 10:
             this.enterOuterAlt(localctx, 10);
-            this.state = 173;
+            this.state = 175;
             this.mapping();
             break;
 
         case 11:
             this.enterOuterAlt(localctx, 11);
-            this.state = 174;
+            this.state = 176;
             this.logical();
             break;
 
         case 12:
             this.enterOuterAlt(localctx, 12);
-            this.state = 175;
+            this.state = 177;
             this.resource();
             break;
 
@@ -1058,13 +1076,13 @@ FSHParser.prototype.alias = function() {
     this.enterRule(localctx, 4, FSHParser.RULE_alias);
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 178;
+        this.state = 180;
         this.match(FSHParser.KW_ALIAS);
-        this.state = 179;
+        this.state = 181;
         this.match(FSHParser.SEQUENCE);
-        this.state = 180;
+        this.state = 182;
         this.match(FSHParser.EQUAL);
-        this.state = 181;
+        this.state = 183;
         this.match(FSHParser.SEQUENCE);
     } catch (re) {
     	if(re instanceof antlr4.error.RecognitionException) {
@@ -1159,27 +1177,27 @@ FSHParser.prototype.profile = function() {
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 183;
+        this.state = 185;
         this.match(FSHParser.KW_PROFILE);
-        this.state = 184;
+        this.state = 186;
         this.name();
-        this.state = 186; 
+        this.state = 188; 
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         do {
-            this.state = 185;
+            this.state = 187;
             this.sdMetadata();
-            this.state = 188; 
+            this.state = 190; 
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         } while((((_la) & ~0x1f) == 0 && ((1 << _la) & ((1 << FSHParser.KW_MIXINS) | (1 << FSHParser.KW_PARENT) | (1 << FSHParser.KW_ID) | (1 << FSHParser.KW_TITLE) | (1 << FSHParser.KW_DESCRIPTION))) !== 0));
-        this.state = 193;
+        this.state = 195;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         while(_la===FSHParser.STAR) {
-            this.state = 190;
+            this.state = 192;
             this.sdRule();
-            this.state = 195;
+            this.state = 197;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         }
@@ -1276,27 +1294,27 @@ FSHParser.prototype.extension = function() {
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 196;
+        this.state = 198;
         this.match(FSHParser.KW_EXTENSION);
-        this.state = 197;
+        this.state = 199;
         this.name();
-        this.state = 201;
+        this.state = 203;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         while((((_la) & ~0x1f) == 0 && ((1 << _la) & ((1 << FSHParser.KW_MIXINS) | (1 << FSHParser.KW_PARENT) | (1 << FSHParser.KW_ID) | (1 << FSHParser.KW_TITLE) | (1 << FSHParser.KW_DESCRIPTION))) !== 0)) {
-            this.state = 198;
+            this.state = 200;
             this.sdMetadata();
-            this.state = 203;
+            this.state = 205;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         }
-        this.state = 207;
+        this.state = 209;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         while(_la===FSHParser.STAR) {
-            this.state = 204;
+            this.state = 206;
             this.sdRule();
-            this.state = 209;
+            this.state = 211;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         }
@@ -1393,27 +1411,27 @@ FSHParser.prototype.logical = function() {
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 210;
+        this.state = 212;
         this.match(FSHParser.KW_LOGICAL);
-        this.state = 211;
+        this.state = 213;
         this.name();
-        this.state = 215;
+        this.state = 217;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         while((((_la) & ~0x1f) == 0 && ((1 << _la) & ((1 << FSHParser.KW_MIXINS) | (1 << FSHParser.KW_PARENT) | (1 << FSHParser.KW_ID) | (1 << FSHParser.KW_TITLE) | (1 << FSHParser.KW_DESCRIPTION))) !== 0)) {
-            this.state = 212;
+            this.state = 214;
             this.sdMetadata();
-            this.state = 217;
+            this.state = 219;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         }
-        this.state = 221;
+        this.state = 223;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         while(_la===FSHParser.STAR) {
-            this.state = 218;
+            this.state = 220;
             this.lrRule();
-            this.state = 223;
+            this.state = 225;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         }
@@ -1510,27 +1528,27 @@ FSHParser.prototype.resource = function() {
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 224;
+        this.state = 226;
         this.match(FSHParser.KW_RESOURCE);
-        this.state = 225;
+        this.state = 227;
         this.name();
-        this.state = 229;
+        this.state = 231;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         while((((_la) & ~0x1f) == 0 && ((1 << _la) & ((1 << FSHParser.KW_MIXINS) | (1 << FSHParser.KW_PARENT) | (1 << FSHParser.KW_ID) | (1 << FSHParser.KW_TITLE) | (1 << FSHParser.KW_DESCRIPTION))) !== 0)) {
-            this.state = 226;
+            this.state = 228;
             this.sdMetadata();
-            this.state = 231;
+            this.state = 233;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         }
-        this.state = 235;
+        this.state = 237;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         while(_la===FSHParser.STAR) {
-            this.state = 232;
+            this.state = 234;
             this.lrRule();
-            this.state = 237;
+            this.state = 239;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         }
@@ -1615,32 +1633,32 @@ FSHParser.prototype.sdMetadata = function() {
     var localctx = new SdMetadataContext(this, this._ctx, this.state);
     this.enterRule(localctx, 14, FSHParser.RULE_sdMetadata);
     try {
-        this.state = 243;
+        this.state = 245;
         this._errHandler.sync(this);
         switch(this._input.LA(1)) {
         case FSHParser.KW_PARENT:
             this.enterOuterAlt(localctx, 1);
-            this.state = 238;
+            this.state = 240;
             this.parent();
             break;
         case FSHParser.KW_ID:
             this.enterOuterAlt(localctx, 2);
-            this.state = 239;
+            this.state = 241;
             this.id();
             break;
         case FSHParser.KW_TITLE:
             this.enterOuterAlt(localctx, 3);
-            this.state = 240;
+            this.state = 242;
             this.title();
             break;
         case FSHParser.KW_DESCRIPTION:
             this.enterOuterAlt(localctx, 4);
-            this.state = 241;
+            this.state = 243;
             this.description();
             break;
         case FSHParser.KW_MIXINS:
             this.enterOuterAlt(localctx, 5);
-            this.state = 242;
+            this.state = 244;
             this.mixins();
             break;
         default:
@@ -1743,61 +1761,61 @@ FSHParser.prototype.sdRule = function() {
     var localctx = new SdRuleContext(this, this._ctx, this.state);
     this.enterRule(localctx, 16, FSHParser.RULE_sdRule);
     try {
-        this.state = 254;
+        this.state = 256;
         this._errHandler.sync(this);
         var la_ = this._interp.adaptivePredict(this._input,11,this._ctx);
         switch(la_) {
         case 1:
             this.enterOuterAlt(localctx, 1);
-            this.state = 245;
+            this.state = 247;
             this.cardRule();
             break;
 
         case 2:
             this.enterOuterAlt(localctx, 2);
-            this.state = 246;
+            this.state = 248;
             this.flagRule();
             break;
 
         case 3:
             this.enterOuterAlt(localctx, 3);
-            this.state = 247;
+            this.state = 249;
             this.valueSetRule();
             break;
 
         case 4:
             this.enterOuterAlt(localctx, 4);
-            this.state = 248;
+            this.state = 250;
             this.fixedValueRule();
             break;
 
         case 5:
             this.enterOuterAlt(localctx, 5);
-            this.state = 249;
+            this.state = 251;
             this.containsRule();
             break;
 
         case 6:
             this.enterOuterAlt(localctx, 6);
-            this.state = 250;
+            this.state = 252;
             this.onlyRule();
             break;
 
         case 7:
             this.enterOuterAlt(localctx, 7);
-            this.state = 251;
+            this.state = 253;
             this.obeysRule();
             break;
 
         case 8:
             this.enterOuterAlt(localctx, 8);
-            this.state = 252;
+            this.state = 254;
             this.caretValueRule();
             break;
 
         case 9:
             this.enterOuterAlt(localctx, 9);
-            this.state = 253;
+            this.state = 255;
             this.insertRule();
             break;
 
@@ -1871,19 +1889,19 @@ FSHParser.prototype.lrRule = function() {
     var localctx = new LrRuleContext(this, this._ctx, this.state);
     this.enterRule(localctx, 18, FSHParser.RULE_lrRule);
     try {
-        this.state = 258;
+        this.state = 260;
         this._errHandler.sync(this);
         var la_ = this._interp.adaptivePredict(this._input,12,this._ctx);
         switch(la_) {
         case 1:
             this.enterOuterAlt(localctx, 1);
-            this.state = 256;
+            this.state = 258;
             this.sdRule();
             break;
 
         case 2:
             this.enterOuterAlt(localctx, 2);
-            this.state = 257;
+            this.state = 259;
             this.addElementRule();
             break;
 
@@ -1981,27 +1999,27 @@ FSHParser.prototype.instance = function() {
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 260;
+        this.state = 262;
         this.match(FSHParser.KW_INSTANCE);
-        this.state = 261;
+        this.state = 263;
         this.name();
-        this.state = 265;
+        this.state = 267;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         while((((_la) & ~0x1f) == 0 && ((1 << _la) & ((1 << FSHParser.KW_INSTANCEOF) | (1 << FSHParser.KW_MIXINS) | (1 << FSHParser.KW_TITLE) | (1 << FSHParser.KW_DESCRIPTION) | (1 << FSHParser.KW_USAGE))) !== 0)) {
-            this.state = 262;
+            this.state = 264;
             this.instanceMetadata();
-            this.state = 267;
+            this.state = 269;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         }
-        this.state = 271;
+        this.state = 273;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         while(_la===FSHParser.STAR) {
-            this.state = 268;
+            this.state = 270;
             this.instanceRule();
-            this.state = 273;
+            this.state = 275;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         }
@@ -2086,32 +2104,32 @@ FSHParser.prototype.instanceMetadata = function() {
     var localctx = new InstanceMetadataContext(this, this._ctx, this.state);
     this.enterRule(localctx, 22, FSHParser.RULE_instanceMetadata);
     try {
-        this.state = 279;
+        this.state = 281;
         this._errHandler.sync(this);
         switch(this._input.LA(1)) {
         case FSHParser.KW_INSTANCEOF:
             this.enterOuterAlt(localctx, 1);
-            this.state = 274;
+            this.state = 276;
             this.instanceOf();
             break;
         case FSHParser.KW_TITLE:
             this.enterOuterAlt(localctx, 2);
-            this.state = 275;
+            this.state = 277;
             this.title();
             break;
         case FSHParser.KW_DESCRIPTION:
             this.enterOuterAlt(localctx, 3);
-            this.state = 276;
+            this.state = 278;
             this.description();
             break;
         case FSHParser.KW_USAGE:
             this.enterOuterAlt(localctx, 4);
-            this.state = 277;
+            this.state = 279;
             this.usage();
             break;
         case FSHParser.KW_MIXINS:
             this.enterOuterAlt(localctx, 5);
-            this.state = 278;
+            this.state = 280;
             this.mixins();
             break;
         default:
@@ -2186,19 +2204,19 @@ FSHParser.prototype.instanceRule = function() {
     var localctx = new InstanceRuleContext(this, this._ctx, this.state);
     this.enterRule(localctx, 24, FSHParser.RULE_instanceRule);
     try {
-        this.state = 283;
+        this.state = 285;
         this._errHandler.sync(this);
         var la_ = this._interp.adaptivePredict(this._input,16,this._ctx);
         switch(la_) {
         case 1:
             this.enterOuterAlt(localctx, 1);
-            this.state = 281;
+            this.state = 283;
             this.fixedValueRule();
             break;
 
         case 2:
             this.enterOuterAlt(localctx, 2);
-            this.state = 282;
+            this.state = 284;
             this.insertRule();
             break;
 
@@ -2285,17 +2303,17 @@ FSHParser.prototype.invariant = function() {
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 285;
+        this.state = 287;
         this.match(FSHParser.KW_INVARIANT);
-        this.state = 286;
+        this.state = 288;
         this.name();
-        this.state = 288; 
+        this.state = 290; 
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         do {
-            this.state = 287;
+            this.state = 289;
             this.invariantMetadata();
-            this.state = 290; 
+            this.state = 292; 
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         } while((((_la) & ~0x1f) == 0 && ((1 << _la) & ((1 << FSHParser.KW_DESCRIPTION) | (1 << FSHParser.KW_EXPRESSION) | (1 << FSHParser.KW_XPATH) | (1 << FSHParser.KW_SEVERITY))) !== 0));
@@ -2376,27 +2394,27 @@ FSHParser.prototype.invariantMetadata = function() {
     var localctx = new InvariantMetadataContext(this, this._ctx, this.state);
     this.enterRule(localctx, 28, FSHParser.RULE_invariantMetadata);
     try {
-        this.state = 296;
+        this.state = 298;
         this._errHandler.sync(this);
         switch(this._input.LA(1)) {
         case FSHParser.KW_DESCRIPTION:
             this.enterOuterAlt(localctx, 1);
-            this.state = 292;
+            this.state = 294;
             this.description();
             break;
         case FSHParser.KW_EXPRESSION:
             this.enterOuterAlt(localctx, 2);
-            this.state = 293;
+            this.state = 295;
             this.expression();
             break;
         case FSHParser.KW_XPATH:
             this.enterOuterAlt(localctx, 3);
-            this.state = 294;
+            this.state = 296;
             this.xpath();
             break;
         case FSHParser.KW_SEVERITY:
             this.enterOuterAlt(localctx, 4);
-            this.state = 295;
+            this.state = 297;
             this.severity();
             break;
         default:
@@ -2495,27 +2513,27 @@ FSHParser.prototype.valueSet = function() {
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 298;
+        this.state = 300;
         this.match(FSHParser.KW_VALUESET);
-        this.state = 299;
+        this.state = 301;
         this.name();
-        this.state = 303;
+        this.state = 305;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         while((((_la) & ~0x1f) == 0 && ((1 << _la) & ((1 << FSHParser.KW_ID) | (1 << FSHParser.KW_TITLE) | (1 << FSHParser.KW_DESCRIPTION))) !== 0)) {
-            this.state = 300;
+            this.state = 302;
             this.vsMetadata();
-            this.state = 305;
+            this.state = 307;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         }
-        this.state = 309;
+        this.state = 311;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         while(_la===FSHParser.STAR) {
-            this.state = 306;
+            this.state = 308;
             this.vsRule();
-            this.state = 311;
+            this.state = 313;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         }
@@ -2592,22 +2610,22 @@ FSHParser.prototype.vsMetadata = function() {
     var localctx = new VsMetadataContext(this, this._ctx, this.state);
     this.enterRule(localctx, 32, FSHParser.RULE_vsMetadata);
     try {
-        this.state = 315;
+        this.state = 317;
         this._errHandler.sync(this);
         switch(this._input.LA(1)) {
         case FSHParser.KW_ID:
             this.enterOuterAlt(localctx, 1);
-            this.state = 312;
+            this.state = 314;
             this.id();
             break;
         case FSHParser.KW_TITLE:
             this.enterOuterAlt(localctx, 2);
-            this.state = 313;
+            this.state = 315;
             this.title();
             break;
         case FSHParser.KW_DESCRIPTION:
             this.enterOuterAlt(localctx, 3);
-            this.state = 314;
+            this.state = 316;
             this.description();
             break;
         default:
@@ -2686,25 +2704,25 @@ FSHParser.prototype.vsRule = function() {
     var localctx = new VsRuleContext(this, this._ctx, this.state);
     this.enterRule(localctx, 34, FSHParser.RULE_vsRule);
     try {
-        this.state = 320;
+        this.state = 322;
         this._errHandler.sync(this);
         var la_ = this._interp.adaptivePredict(this._input,22,this._ctx);
         switch(la_) {
         case 1:
             this.enterOuterAlt(localctx, 1);
-            this.state = 317;
+            this.state = 319;
             this.vsComponent();
             break;
 
         case 2:
             this.enterOuterAlt(localctx, 2);
-            this.state = 318;
+            this.state = 320;
             this.caretValueRule();
             break;
 
         case 3:
             this.enterOuterAlt(localctx, 3);
-            this.state = 319;
+            this.state = 321;
             this.insertRule();
             break;
 
@@ -2802,27 +2820,27 @@ FSHParser.prototype.codeSystem = function() {
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 322;
+        this.state = 324;
         this.match(FSHParser.KW_CODESYSTEM);
-        this.state = 323;
+        this.state = 325;
         this.name();
-        this.state = 327;
+        this.state = 329;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         while((((_la) & ~0x1f) == 0 && ((1 << _la) & ((1 << FSHParser.KW_ID) | (1 << FSHParser.KW_TITLE) | (1 << FSHParser.KW_DESCRIPTION))) !== 0)) {
-            this.state = 324;
+            this.state = 326;
             this.csMetadata();
-            this.state = 329;
+            this.state = 331;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         }
-        this.state = 333;
+        this.state = 335;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         while(_la===FSHParser.STAR) {
-            this.state = 330;
+            this.state = 332;
             this.csRule();
-            this.state = 335;
+            this.state = 337;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         }
@@ -2899,22 +2917,22 @@ FSHParser.prototype.csMetadata = function() {
     var localctx = new CsMetadataContext(this, this._ctx, this.state);
     this.enterRule(localctx, 38, FSHParser.RULE_csMetadata);
     try {
-        this.state = 339;
+        this.state = 341;
         this._errHandler.sync(this);
         switch(this._input.LA(1)) {
         case FSHParser.KW_ID:
             this.enterOuterAlt(localctx, 1);
-            this.state = 336;
+            this.state = 338;
             this.id();
             break;
         case FSHParser.KW_TITLE:
             this.enterOuterAlt(localctx, 2);
-            this.state = 337;
+            this.state = 339;
             this.title();
             break;
         case FSHParser.KW_DESCRIPTION:
             this.enterOuterAlt(localctx, 3);
-            this.state = 338;
+            this.state = 340;
             this.description();
             break;
         default:
@@ -2959,6 +2977,10 @@ CsRuleContext.prototype.caretValueRule = function() {
     return this.getTypedRuleContext(CaretValueRuleContext,0);
 };
 
+CsRuleContext.prototype.codeCaretValueRule = function() {
+    return this.getTypedRuleContext(CodeCaretValueRuleContext,0);
+};
+
 CsRuleContext.prototype.insertRule = function() {
     return this.getTypedRuleContext(InsertRuleContext,0);
 };
@@ -2993,25 +3015,31 @@ FSHParser.prototype.csRule = function() {
     var localctx = new CsRuleContext(this, this._ctx, this.state);
     this.enterRule(localctx, 40, FSHParser.RULE_csRule);
     try {
-        this.state = 344;
+        this.state = 347;
         this._errHandler.sync(this);
         var la_ = this._interp.adaptivePredict(this._input,26,this._ctx);
         switch(la_) {
         case 1:
             this.enterOuterAlt(localctx, 1);
-            this.state = 341;
+            this.state = 343;
             this.concept();
             break;
 
         case 2:
             this.enterOuterAlt(localctx, 2);
-            this.state = 342;
+            this.state = 344;
             this.caretValueRule();
             break;
 
         case 3:
             this.enterOuterAlt(localctx, 3);
-            this.state = 343;
+            this.state = 345;
+            this.codeCaretValueRule();
+            break;
+
+        case 4:
+            this.enterOuterAlt(localctx, 4);
+            this.state = 346;
             this.insertRule();
             break;
 
@@ -3098,17 +3126,17 @@ FSHParser.prototype.ruleSet = function() {
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 346;
+        this.state = 349;
         this.match(FSHParser.KW_RULESET);
-        this.state = 347;
+        this.state = 350;
         this.match(FSHParser.RULESET_REFERENCE);
-        this.state = 349; 
+        this.state = 352; 
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         do {
-            this.state = 348;
+            this.state = 351;
             this.ruleSetRule();
-            this.state = 351; 
+            this.state = 354; 
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         } while(_la===FSHParser.STAR);
@@ -3151,6 +3179,10 @@ RuleSetRuleContext.prototype.concept = function() {
     return this.getTypedRuleContext(ConceptContext,0);
 };
 
+RuleSetRuleContext.prototype.codeCaretValueRule = function() {
+    return this.getTypedRuleContext(CodeCaretValueRuleContext,0);
+};
+
 RuleSetRuleContext.prototype.vsComponent = function() {
     return this.getTypedRuleContext(VsComponentContext,0);
 };
@@ -3185,25 +3217,31 @@ FSHParser.prototype.ruleSetRule = function() {
     var localctx = new RuleSetRuleContext(this, this._ctx, this.state);
     this.enterRule(localctx, 44, FSHParser.RULE_ruleSetRule);
     try {
-        this.state = 356;
+        this.state = 360;
         this._errHandler.sync(this);
         var la_ = this._interp.adaptivePredict(this._input,28,this._ctx);
         switch(la_) {
         case 1:
             this.enterOuterAlt(localctx, 1);
-            this.state = 353;
+            this.state = 356;
             this.sdRule();
             break;
 
         case 2:
             this.enterOuterAlt(localctx, 2);
-            this.state = 354;
+            this.state = 357;
             this.concept();
             break;
 
         case 3:
             this.enterOuterAlt(localctx, 3);
-            this.state = 355;
+            this.state = 358;
+            this.codeCaretValueRule();
+            break;
+
+        case 4:
+            this.enterOuterAlt(localctx, 4);
+            this.state = 359;
             this.vsComponent();
             break;
 
@@ -3282,11 +3320,11 @@ FSHParser.prototype.paramRuleSet = function() {
     this.enterRule(localctx, 46, FSHParser.RULE_paramRuleSet);
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 358;
+        this.state = 362;
         this.match(FSHParser.KW_RULESET);
-        this.state = 359;
+        this.state = 363;
         this.match(FSHParser.PARAM_RULESET_REFERENCE);
-        this.state = 360;
+        this.state = 364;
         this.paramRuleSetContent();
     } catch (re) {
     	if(re instanceof antlr4.error.RecognitionException) {
@@ -3463,14 +3501,14 @@ FSHParser.prototype.paramRuleSetContent = function() {
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 362;
-        this.match(FSHParser.STAR);
         this.state = 366;
+        this.match(FSHParser.STAR);
+        this.state = 370;
         this._errHandler.sync(this);
         var _alt = this._interp.adaptivePredict(this._input,29,this._ctx)
         while(_alt!=2 && _alt!=antlr4.atn.ATN.INVALID_ALT_NUMBER) {
             if(_alt===1) {
-                this.state = 363;
+                this.state = 367;
                 _la = this._input.LA(1);
                 if(_la<=0 || (((_la) & ~0x1f) == 0 && ((1 << _la) & ((1 << FSHParser.KW_ALIAS) | (1 << FSHParser.KW_PROFILE) | (1 << FSHParser.KW_EXTENSION) | (1 << FSHParser.KW_INSTANCE) | (1 << FSHParser.KW_INVARIANT) | (1 << FSHParser.KW_VALUESET) | (1 << FSHParser.KW_CODESYSTEM) | (1 << FSHParser.KW_RULESET) | (1 << FSHParser.KW_MAPPING))) !== 0)) {
                 this._errHandler.recoverInline(this);
@@ -3480,7 +3518,7 @@ FSHParser.prototype.paramRuleSetContent = function() {
                     this.consume();
                 } 
             }
-            this.state = 368;
+            this.state = 372;
             this._errHandler.sync(this);
             _alt = this._interp.adaptivePredict(this._input,29,this._ctx);
         }
@@ -3578,27 +3616,27 @@ FSHParser.prototype.mapping = function() {
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 369;
+        this.state = 373;
         this.match(FSHParser.KW_MAPPING);
-        this.state = 370;
-        this.name();
         this.state = 374;
+        this.name();
+        this.state = 378;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         while((((_la) & ~0x1f) == 0 && ((1 << _la) & ((1 << FSHParser.KW_ID) | (1 << FSHParser.KW_TITLE) | (1 << FSHParser.KW_DESCRIPTION) | (1 << FSHParser.KW_SOURCE) | (1 << FSHParser.KW_TARGET))) !== 0)) {
-            this.state = 371;
+            this.state = 375;
             this.mappingMetadata();
-            this.state = 376;
+            this.state = 380;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         }
-        this.state = 380;
+        this.state = 384;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         while(_la===FSHParser.STAR) {
-            this.state = 377;
+            this.state = 381;
             this.mappingEntityRule();
-            this.state = 382;
+            this.state = 386;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         }
@@ -3683,32 +3721,32 @@ FSHParser.prototype.mappingMetadata = function() {
     var localctx = new MappingMetadataContext(this, this._ctx, this.state);
     this.enterRule(localctx, 52, FSHParser.RULE_mappingMetadata);
     try {
-        this.state = 388;
+        this.state = 392;
         this._errHandler.sync(this);
         switch(this._input.LA(1)) {
         case FSHParser.KW_ID:
             this.enterOuterAlt(localctx, 1);
-            this.state = 383;
+            this.state = 387;
             this.id();
             break;
         case FSHParser.KW_SOURCE:
             this.enterOuterAlt(localctx, 2);
-            this.state = 384;
+            this.state = 388;
             this.source();
             break;
         case FSHParser.KW_TARGET:
             this.enterOuterAlt(localctx, 3);
-            this.state = 385;
+            this.state = 389;
             this.target();
             break;
         case FSHParser.KW_DESCRIPTION:
             this.enterOuterAlt(localctx, 4);
-            this.state = 386;
+            this.state = 390;
             this.description();
             break;
         case FSHParser.KW_TITLE:
             this.enterOuterAlt(localctx, 5);
-            this.state = 387;
+            this.state = 391;
             this.title();
             break;
         default:
@@ -3783,19 +3821,19 @@ FSHParser.prototype.mappingEntityRule = function() {
     var localctx = new MappingEntityRuleContext(this, this._ctx, this.state);
     this.enterRule(localctx, 54, FSHParser.RULE_mappingEntityRule);
     try {
-        this.state = 392;
+        this.state = 396;
         this._errHandler.sync(this);
         var la_ = this._interp.adaptivePredict(this._input,33,this._ctx);
         switch(la_) {
         case 1:
             this.enterOuterAlt(localctx, 1);
-            this.state = 390;
+            this.state = 394;
             this.mappingRule();
             break;
 
         case 2:
             this.enterOuterAlt(localctx, 2);
-            this.state = 391;
+            this.state = 395;
             this.insertRule();
             break;
 
@@ -3870,9 +3908,9 @@ FSHParser.prototype.parent = function() {
     this.enterRule(localctx, 56, FSHParser.RULE_parent);
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 394;
+        this.state = 398;
         this.match(FSHParser.KW_PARENT);
-        this.state = 395;
+        this.state = 399;
         this.name();
     } catch (re) {
     	if(re instanceof antlr4.error.RecognitionException) {
@@ -3944,9 +3982,9 @@ FSHParser.prototype.id = function() {
     this.enterRule(localctx, 58, FSHParser.RULE_id);
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 397;
+        this.state = 401;
         this.match(FSHParser.KW_ID);
-        this.state = 398;
+        this.state = 402;
         this.name();
     } catch (re) {
     	if(re instanceof antlr4.error.RecognitionException) {
@@ -4018,9 +4056,9 @@ FSHParser.prototype.title = function() {
     this.enterRule(localctx, 60, FSHParser.RULE_title);
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 400;
+        this.state = 404;
         this.match(FSHParser.KW_TITLE);
-        this.state = 401;
+        this.state = 405;
         this.match(FSHParser.STRING);
     } catch (re) {
     	if(re instanceof antlr4.error.RecognitionException) {
@@ -4097,9 +4135,9 @@ FSHParser.prototype.description = function() {
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 403;
+        this.state = 407;
         this.match(FSHParser.KW_DESCRIPTION);
-        this.state = 404;
+        this.state = 408;
         _la = this._input.LA(1);
         if(!(_la===FSHParser.STRING || _la===FSHParser.MULTILINE_STRING)) {
         this._errHandler.recoverInline(this);
@@ -4178,9 +4216,9 @@ FSHParser.prototype.expression = function() {
     this.enterRule(localctx, 64, FSHParser.RULE_expression);
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 406;
+        this.state = 410;
         this.match(FSHParser.KW_EXPRESSION);
-        this.state = 407;
+        this.state = 411;
         this.match(FSHParser.STRING);
     } catch (re) {
     	if(re instanceof antlr4.error.RecognitionException) {
@@ -4252,9 +4290,9 @@ FSHParser.prototype.xpath = function() {
     this.enterRule(localctx, 66, FSHParser.RULE_xpath);
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 409;
+        this.state = 413;
         this.match(FSHParser.KW_XPATH);
-        this.state = 410;
+        this.state = 414;
         this.match(FSHParser.STRING);
     } catch (re) {
     	if(re instanceof antlr4.error.RecognitionException) {
@@ -4326,9 +4364,9 @@ FSHParser.prototype.severity = function() {
     this.enterRule(localctx, 68, FSHParser.RULE_severity);
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 412;
+        this.state = 416;
         this.match(FSHParser.KW_SEVERITY);
-        this.state = 413;
+        this.state = 417;
         this.match(FSHParser.CODE);
     } catch (re) {
     	if(re instanceof antlr4.error.RecognitionException) {
@@ -4400,9 +4438,9 @@ FSHParser.prototype.instanceOf = function() {
     this.enterRule(localctx, 70, FSHParser.RULE_instanceOf);
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 415;
+        this.state = 419;
         this.match(FSHParser.KW_INSTANCEOF);
-        this.state = 416;
+        this.state = 420;
         this.name();
     } catch (re) {
     	if(re instanceof antlr4.error.RecognitionException) {
@@ -4474,9 +4512,9 @@ FSHParser.prototype.usage = function() {
     this.enterRule(localctx, 72, FSHParser.RULE_usage);
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 418;
+        this.state = 422;
         this.match(FSHParser.KW_USAGE);
-        this.state = 419;
+        this.state = 423;
         this.match(FSHParser.CODE);
     } catch (re) {
     	if(re instanceof antlr4.error.RecognitionException) {
@@ -4571,9 +4609,9 @@ FSHParser.prototype.mixins = function() {
     this.enterRule(localctx, 74, FSHParser.RULE_mixins);
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 421;
+        this.state = 425;
         this.match(FSHParser.KW_MIXINS);
-        this.state = 432;
+        this.state = 436;
         this._errHandler.sync(this);
         switch(this._input.LA(1)) {
         case FSHParser.KW_MS:
@@ -4587,26 +4625,26 @@ FSHParser.prototype.mixins = function() {
         case FSHParser.KW_UNITS:
         case FSHParser.NUMBER:
         case FSHParser.SEQUENCE:
-            this.state = 427;
+            this.state = 431;
             this._errHandler.sync(this);
             var _alt = this._interp.adaptivePredict(this._input,34,this._ctx)
             while(_alt!=2 && _alt!=antlr4.atn.ATN.INVALID_ALT_NUMBER) {
                 if(_alt===1) {
-                    this.state = 422;
+                    this.state = 426;
                     this.name();
-                    this.state = 423;
+                    this.state = 427;
                     this.match(FSHParser.KW_AND); 
                 }
-                this.state = 429;
+                this.state = 433;
                 this._errHandler.sync(this);
                 _alt = this._interp.adaptivePredict(this._input,34,this._ctx);
             }
 
-            this.state = 430;
+            this.state = 434;
             this.name();
             break;
         case FSHParser.COMMA_DELIMITED_SEQUENCES:
-            this.state = 431;
+            this.state = 435;
             this.match(FSHParser.COMMA_DELIMITED_SEQUENCES);
             break;
         default:
@@ -4682,9 +4720,9 @@ FSHParser.prototype.source = function() {
     this.enterRule(localctx, 76, FSHParser.RULE_source);
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 434;
+        this.state = 438;
         this.match(FSHParser.KW_SOURCE);
-        this.state = 435;
+        this.state = 439;
         this.name();
     } catch (re) {
     	if(re instanceof antlr4.error.RecognitionException) {
@@ -4756,9 +4794,9 @@ FSHParser.prototype.target = function() {
     this.enterRule(localctx, 78, FSHParser.RULE_target);
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 437;
+        this.state = 441;
         this.match(FSHParser.KW_TARGET);
-        this.state = 438;
+        this.state = 442;
         this.match(FSHParser.STRING);
     } catch (re) {
     	if(re instanceof antlr4.error.RecognitionException) {
@@ -4846,19 +4884,19 @@ FSHParser.prototype.cardRule = function() {
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 440;
+        this.state = 444;
         this.match(FSHParser.STAR);
-        this.state = 441;
+        this.state = 445;
         this.path();
-        this.state = 442;
-        this.match(FSHParser.CARD);
         this.state = 446;
+        this.match(FSHParser.CARD);
+        this.state = 450;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         while((((_la) & ~0x1f) == 0 && ((1 << _la) & ((1 << FSHParser.KW_MOD) | (1 << FSHParser.KW_MS) | (1 << FSHParser.KW_SU) | (1 << FSHParser.KW_TU) | (1 << FSHParser.KW_NORMATIVE) | (1 << FSHParser.KW_DRAFT))) !== 0)) {
-            this.state = 443;
+            this.state = 447;
             this.flag();
-            this.state = 448;
+            this.state = 452;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         }
@@ -4967,45 +5005,45 @@ FSHParser.prototype.flagRule = function() {
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 449;
+        this.state = 453;
         this.match(FSHParser.STAR);
-        this.state = 460;
+        this.state = 464;
         this._errHandler.sync(this);
         switch(this._input.LA(1)) {
         case FSHParser.KW_SYSTEM:
         case FSHParser.SEQUENCE:
-            this.state = 455;
+            this.state = 459;
             this._errHandler.sync(this);
             var _alt = this._interp.adaptivePredict(this._input,37,this._ctx)
             while(_alt!=2 && _alt!=antlr4.atn.ATN.INVALID_ALT_NUMBER) {
                 if(_alt===1) {
-                    this.state = 450;
+                    this.state = 454;
                     this.path();
-                    this.state = 451;
+                    this.state = 455;
                     this.match(FSHParser.KW_AND); 
                 }
-                this.state = 457;
+                this.state = 461;
                 this._errHandler.sync(this);
                 _alt = this._interp.adaptivePredict(this._input,37,this._ctx);
             }
 
-            this.state = 458;
+            this.state = 462;
             this.path();
             break;
         case FSHParser.COMMA_DELIMITED_SEQUENCES:
-            this.state = 459;
+            this.state = 463;
             this.paths();
             break;
         default:
             throw new antlr4.error.NoViableAltException(this);
         }
-        this.state = 463; 
+        this.state = 467; 
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         do {
-            this.state = 462;
+            this.state = 466;
             this.flag();
-            this.state = 465; 
+            this.state = 469; 
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         } while((((_la) & ~0x1f) == 0 && ((1 << _la) & ((1 << FSHParser.KW_MOD) | (1 << FSHParser.KW_MS) | (1 << FSHParser.KW_SU) | (1 << FSHParser.KW_TU) | (1 << FSHParser.KW_NORMATIVE) | (1 << FSHParser.KW_DRAFT))) !== 0));
@@ -5096,27 +5134,27 @@ FSHParser.prototype.valueSetRule = function() {
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 467;
+        this.state = 471;
         this.match(FSHParser.STAR);
-        this.state = 468;
+        this.state = 472;
         this.path();
-        this.state = 470;
+        this.state = 474;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         if(_la===FSHParser.KW_UNITS) {
-            this.state = 469;
+            this.state = 473;
             this.match(FSHParser.KW_UNITS);
         }
 
-        this.state = 472;
+        this.state = 476;
         this.match(FSHParser.KW_FROM);
-        this.state = 473;
+        this.state = 477;
         this.name();
-        this.state = 475;
+        this.state = 479;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         if(((((_la - 31)) & ~0x1f) == 0 && ((1 << (_la - 31)) & ((1 << (FSHParser.KW_EXAMPLE - 31)) | (1 << (FSHParser.KW_PREFERRED - 31)) | (1 << (FSHParser.KW_EXTENSIBLE - 31)) | (1 << (FSHParser.KW_REQUIRED - 31)))) !== 0)) {
-            this.state = 474;
+            this.state = 478;
             this.strength();
         }
 
@@ -5207,27 +5245,27 @@ FSHParser.prototype.fixedValueRule = function() {
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 477;
+        this.state = 481;
         this.match(FSHParser.STAR);
-        this.state = 478;
+        this.state = 482;
         this.path();
-        this.state = 480;
+        this.state = 484;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         if(_la===FSHParser.KW_UNITS) {
-            this.state = 479;
+            this.state = 483;
             this.match(FSHParser.KW_UNITS);
         }
 
-        this.state = 482;
+        this.state = 486;
         this.match(FSHParser.EQUAL);
-        this.state = 483;
+        this.state = 487;
         this.value();
-        this.state = 485;
+        this.state = 489;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         if(_la===FSHParser.KW_EXACTLY) {
-            this.state = 484;
+            this.state = 488;
             this.match(FSHParser.KW_EXACTLY);
         }
 
@@ -5329,23 +5367,23 @@ FSHParser.prototype.containsRule = function() {
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 487;
+        this.state = 491;
         this.match(FSHParser.STAR);
-        this.state = 488;
+        this.state = 492;
         this.path();
-        this.state = 489;
+        this.state = 493;
         this.match(FSHParser.KW_CONTAINS);
-        this.state = 490;
+        this.state = 494;
         this.item();
-        this.state = 495;
+        this.state = 499;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         while(_la===FSHParser.KW_AND) {
-            this.state = 491;
+            this.state = 495;
             this.match(FSHParser.KW_AND);
-            this.state = 492;
+            this.state = 496;
             this.item();
-            this.state = 497;
+            this.state = 501;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         }
@@ -5447,23 +5485,23 @@ FSHParser.prototype.onlyRule = function() {
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 498;
+        this.state = 502;
         this.match(FSHParser.STAR);
-        this.state = 499;
+        this.state = 503;
         this.path();
-        this.state = 500;
+        this.state = 504;
         this.match(FSHParser.KW_ONLY);
-        this.state = 501;
+        this.state = 505;
         this.targetType();
-        this.state = 506;
+        this.state = 510;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         while(_la===FSHParser.KW_OR) {
-            this.state = 502;
+            this.state = 506;
             this.match(FSHParser.KW_OR);
-            this.state = 503;
+            this.state = 507;
             this.targetType();
-            this.state = 508;
+            this.state = 512;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         }
@@ -5565,29 +5603,29 @@ FSHParser.prototype.obeysRule = function() {
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 509;
+        this.state = 513;
         this.match(FSHParser.STAR);
-        this.state = 511;
+        this.state = 515;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         if(_la===FSHParser.KW_SYSTEM || _la===FSHParser.SEQUENCE) {
-            this.state = 510;
+            this.state = 514;
             this.path();
         }
 
-        this.state = 513;
+        this.state = 517;
         this.match(FSHParser.KW_OBEYS);
-        this.state = 514;
+        this.state = 518;
         this.name();
-        this.state = 519;
+        this.state = 523;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         while(_la===FSHParser.KW_AND) {
-            this.state = 515;
+            this.state = 519;
             this.match(FSHParser.KW_AND);
-            this.state = 516;
+            this.state = 520;
             this.name();
-            this.state = 521;
+            this.state = 525;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         }
@@ -5674,21 +5712,130 @@ FSHParser.prototype.caretValueRule = function() {
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 522;
+        this.state = 526;
         this.match(FSHParser.STAR);
-        this.state = 524;
+        this.state = 528;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         if(_la===FSHParser.KW_SYSTEM || _la===FSHParser.SEQUENCE) {
-            this.state = 523;
+            this.state = 527;
             this.path();
         }
 
-        this.state = 526;
+        this.state = 530;
         this.caretPath();
-        this.state = 527;
+        this.state = 531;
         this.match(FSHParser.EQUAL);
-        this.state = 528;
+        this.state = 532;
+        this.value();
+    } catch (re) {
+    	if(re instanceof antlr4.error.RecognitionException) {
+	        localctx.exception = re;
+	        this._errHandler.reportError(this, re);
+	        this._errHandler.recover(this, re);
+	    } else {
+	    	throw re;
+	    }
+    } finally {
+        this.exitRule();
+    }
+    return localctx;
+};
+
+
+function CodeCaretValueRuleContext(parser, parent, invokingState) {
+	if(parent===undefined) {
+	    parent = null;
+	}
+	if(invokingState===undefined || invokingState===null) {
+		invokingState = -1;
+	}
+	antlr4.ParserRuleContext.call(this, parent, invokingState);
+    this.parser = parser;
+    this.ruleIndex = FSHParser.RULE_codeCaretValueRule;
+    return this;
+}
+
+CodeCaretValueRuleContext.prototype = Object.create(antlr4.ParserRuleContext.prototype);
+CodeCaretValueRuleContext.prototype.constructor = CodeCaretValueRuleContext;
+
+CodeCaretValueRuleContext.prototype.STAR = function() {
+    return this.getToken(FSHParser.STAR, 0);
+};
+
+CodeCaretValueRuleContext.prototype.caretPath = function() {
+    return this.getTypedRuleContext(CaretPathContext,0);
+};
+
+CodeCaretValueRuleContext.prototype.EQUAL = function() {
+    return this.getToken(FSHParser.EQUAL, 0);
+};
+
+CodeCaretValueRuleContext.prototype.value = function() {
+    return this.getTypedRuleContext(ValueContext,0);
+};
+
+CodeCaretValueRuleContext.prototype.CODE = function(i) {
+	if(i===undefined) {
+		i = null;
+	}
+    if(i===null) {
+        return this.getTokens(FSHParser.CODE);
+    } else {
+        return this.getToken(FSHParser.CODE, i);
+    }
+};
+
+
+CodeCaretValueRuleContext.prototype.enterRule = function(listener) {
+    if(listener instanceof FSHListener ) {
+        listener.enterCodeCaretValueRule(this);
+	}
+};
+
+CodeCaretValueRuleContext.prototype.exitRule = function(listener) {
+    if(listener instanceof FSHListener ) {
+        listener.exitCodeCaretValueRule(this);
+	}
+};
+
+CodeCaretValueRuleContext.prototype.accept = function(visitor) {
+    if ( visitor instanceof FSHVisitor ) {
+        return visitor.visitCodeCaretValueRule(this);
+    } else {
+        return visitor.visitChildren(this);
+    }
+};
+
+
+
+
+FSHParser.CodeCaretValueRuleContext = CodeCaretValueRuleContext;
+
+FSHParser.prototype.codeCaretValueRule = function() {
+
+    var localctx = new CodeCaretValueRuleContext(this, this._ctx, this.state);
+    this.enterRule(localctx, 96, FSHParser.RULE_codeCaretValueRule);
+    var _la = 0; // Token type
+    try {
+        this.enterOuterAlt(localctx, 1);
+        this.state = 534;
+        this.match(FSHParser.STAR);
+        this.state = 536; 
+        this._errHandler.sync(this);
+        _la = this._input.LA(1);
+        do {
+            this.state = 535;
+            this.match(FSHParser.CODE);
+            this.state = 538; 
+            this._errHandler.sync(this);
+            _la = this._input.LA(1);
+        } while(_la===FSHParser.CODE);
+        this.state = 540;
+        this.caretPath();
+        this.state = 541;
+        this.match(FSHParser.EQUAL);
+        this.state = 542;
         this.value();
     } catch (re) {
     	if(re instanceof antlr4.error.RecognitionException) {
@@ -5777,37 +5924,37 @@ FSHParser.MappingRuleContext = MappingRuleContext;
 FSHParser.prototype.mappingRule = function() {
 
     var localctx = new MappingRuleContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 96, FSHParser.RULE_mappingRule);
+    this.enterRule(localctx, 98, FSHParser.RULE_mappingRule);
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 530;
+        this.state = 544;
         this.match(FSHParser.STAR);
-        this.state = 532;
+        this.state = 546;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         if(_la===FSHParser.KW_SYSTEM || _la===FSHParser.SEQUENCE) {
-            this.state = 531;
+            this.state = 545;
             this.path();
         }
 
-        this.state = 534;
+        this.state = 548;
         this.match(FSHParser.ARROW);
-        this.state = 535;
+        this.state = 549;
         this.match(FSHParser.STRING);
-        this.state = 537;
+        this.state = 551;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         if(_la===FSHParser.STRING) {
-            this.state = 536;
+            this.state = 550;
             this.match(FSHParser.STRING);
         }
 
-        this.state = 540;
+        this.state = 554;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         if(_la===FSHParser.CODE) {
-            this.state = 539;
+            this.state = 553;
             this.match(FSHParser.CODE);
         }
 
@@ -5886,15 +6033,15 @@ FSHParser.InsertRuleContext = InsertRuleContext;
 FSHParser.prototype.insertRule = function() {
 
     var localctx = new InsertRuleContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 98, FSHParser.RULE_insertRule);
+    this.enterRule(localctx, 100, FSHParser.RULE_insertRule);
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 542;
+        this.state = 556;
         this.match(FSHParser.STAR);
-        this.state = 543;
+        this.state = 557;
         this.match(FSHParser.KW_INSERT);
-        this.state = 544;
+        this.state = 558;
         _la = this._input.LA(1);
         if(!(_la===FSHParser.PARAM_RULESET_REFERENCE || _la===FSHParser.RULESET_REFERENCE)) {
         this._errHandler.recoverInline(this);
@@ -6020,56 +6167,56 @@ FSHParser.AddElementRuleContext = AddElementRuleContext;
 FSHParser.prototype.addElementRule = function() {
 
     var localctx = new AddElementRuleContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 100, FSHParser.RULE_addElementRule);
+    this.enterRule(localctx, 102, FSHParser.RULE_addElementRule);
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 546;
+        this.state = 560;
         this.match(FSHParser.STAR);
-        this.state = 547;
+        this.state = 561;
         this.path();
-        this.state = 548;
+        this.state = 562;
         this.match(FSHParser.CARD);
-        this.state = 552;
+        this.state = 566;
         this._errHandler.sync(this);
-        var _alt = this._interp.adaptivePredict(this._input,52,this._ctx)
+        var _alt = this._interp.adaptivePredict(this._input,53,this._ctx)
         while(_alt!=2 && _alt!=antlr4.atn.ATN.INVALID_ALT_NUMBER) {
             if(_alt===1) {
-                this.state = 549;
+                this.state = 563;
                 this.flag(); 
             }
-            this.state = 554;
+            this.state = 568;
             this._errHandler.sync(this);
-            _alt = this._interp.adaptivePredict(this._input,52,this._ctx);
+            _alt = this._interp.adaptivePredict(this._input,53,this._ctx);
         }
 
-        this.state = 555;
+        this.state = 569;
         this.targetType();
-        this.state = 560;
+        this.state = 574;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         while(_la===FSHParser.KW_OR) {
-            this.state = 556;
+            this.state = 570;
             this.match(FSHParser.KW_OR);
-            this.state = 557;
+            this.state = 571;
             this.targetType();
-            this.state = 562;
+            this.state = 576;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         }
-        this.state = 564;
+        this.state = 578;
         this._errHandler.sync(this);
-        var la_ = this._interp.adaptivePredict(this._input,54,this._ctx);
+        var la_ = this._interp.adaptivePredict(this._input,55,this._ctx);
         if(la_===1) {
-            this.state = 563;
+            this.state = 577;
             this.match(FSHParser.STRING);
 
         }
-        this.state = 567;
+        this.state = 581;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         if(_la===FSHParser.STRING) {
-            this.state = 566;
+            this.state = 580;
             this.match(FSHParser.STRING);
         }
 
@@ -6152,17 +6299,17 @@ FSHParser.VsComponentContext = VsComponentContext;
 FSHParser.prototype.vsComponent = function() {
 
     var localctx = new VsComponentContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 102, FSHParser.RULE_vsComponent);
+    this.enterRule(localctx, 104, FSHParser.RULE_vsComponent);
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 569;
+        this.state = 583;
         this.match(FSHParser.STAR);
-        this.state = 571;
+        this.state = 585;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         if(_la===FSHParser.KW_INCLUDE || _la===FSHParser.KW_EXCLUDE) {
-            this.state = 570;
+            this.state = 584;
             _la = this._input.LA(1);
             if(!(_la===FSHParser.KW_INCLUDE || _la===FSHParser.KW_EXCLUDE)) {
             this._errHandler.recoverInline(this);
@@ -6173,16 +6320,16 @@ FSHParser.prototype.vsComponent = function() {
             }
         }
 
-        this.state = 575;
+        this.state = 589;
         this._errHandler.sync(this);
         switch(this._input.LA(1)) {
         case FSHParser.CODE:
         case FSHParser.COMMA_DELIMITED_CODES:
-            this.state = 573;
+            this.state = 587;
             this.vsConceptComponent();
             break;
         case FSHParser.KW_CODES:
-            this.state = 574;
+            this.state = 588;
             this.vsFilterComponent();
             break;
         default:
@@ -6278,22 +6425,22 @@ FSHParser.VsConceptComponentContext = VsConceptComponentContext;
 FSHParser.prototype.vsConceptComponent = function() {
 
     var localctx = new VsConceptComponentContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 104, FSHParser.RULE_vsConceptComponent);
+    this.enterRule(localctx, 106, FSHParser.RULE_vsConceptComponent);
     var _la = 0; // Token type
     try {
-        this.state = 593;
+        this.state = 607;
         this._errHandler.sync(this);
-        var la_ = this._interp.adaptivePredict(this._input,60,this._ctx);
+        var la_ = this._interp.adaptivePredict(this._input,61,this._ctx);
         switch(la_) {
         case 1:
             this.enterOuterAlt(localctx, 1);
-            this.state = 577;
+            this.state = 591;
             this.code();
-            this.state = 579;
+            this.state = 593;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
             if(_la===FSHParser.KW_FROM) {
-                this.state = 578;
+                this.state = 592;
                 this.vsComponentFrom();
             }
 
@@ -6301,35 +6448,35 @@ FSHParser.prototype.vsConceptComponent = function() {
 
         case 2:
             this.enterOuterAlt(localctx, 2);
-            this.state = 584; 
+            this.state = 598; 
             this._errHandler.sync(this);
             var _alt = 1;
             do {
             	switch (_alt) {
             	case 1:
-            		this.state = 581;
+            		this.state = 595;
             		this.code();
-            		this.state = 582;
+            		this.state = 596;
             		this.match(FSHParser.KW_AND);
             		break;
             	default:
             		throw new antlr4.error.NoViableAltException(this);
             	}
-            	this.state = 586; 
+            	this.state = 600; 
             	this._errHandler.sync(this);
-            	_alt = this._interp.adaptivePredict(this._input,59, this._ctx);
+            	_alt = this._interp.adaptivePredict(this._input,60, this._ctx);
             } while ( _alt!=2 && _alt!=antlr4.atn.ATN.INVALID_ALT_NUMBER );
-            this.state = 588;
+            this.state = 602;
             this.code();
-            this.state = 589;
+            this.state = 603;
             this.vsComponentFrom();
             break;
 
         case 3:
             this.enterOuterAlt(localctx, 3);
-            this.state = 591;
+            this.state = 605;
             this.match(FSHParser.COMMA_DELIMITED_CODES);
-            this.state = 592;
+            this.state = 606;
             this.vsComponentFrom();
             break;
 
@@ -6409,21 +6556,21 @@ FSHParser.VsFilterComponentContext = VsFilterComponentContext;
 FSHParser.prototype.vsFilterComponent = function() {
 
     var localctx = new VsFilterComponentContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 106, FSHParser.RULE_vsFilterComponent);
+    this.enterRule(localctx, 108, FSHParser.RULE_vsFilterComponent);
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 595;
+        this.state = 609;
         this.match(FSHParser.KW_CODES);
-        this.state = 596;
+        this.state = 610;
         this.vsComponentFrom();
-        this.state = 599;
+        this.state = 613;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         if(_la===FSHParser.KW_WHERE) {
-            this.state = 597;
+            this.state = 611;
             this.match(FSHParser.KW_WHERE);
-            this.state = 598;
+            this.state = 612;
             this.vsFilterList();
         }
 
@@ -6502,39 +6649,39 @@ FSHParser.VsComponentFromContext = VsComponentFromContext;
 FSHParser.prototype.vsComponentFrom = function() {
 
     var localctx = new VsComponentFromContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 108, FSHParser.RULE_vsComponentFrom);
+    this.enterRule(localctx, 110, FSHParser.RULE_vsComponentFrom);
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 601;
+        this.state = 615;
         this.match(FSHParser.KW_FROM);
-        this.state = 612;
+        this.state = 626;
         this._errHandler.sync(this);
         switch(this._input.LA(1)) {
         case FSHParser.KW_SYSTEM:
-            this.state = 602;
+            this.state = 616;
             this.vsFromSystem();
-            this.state = 605;
+            this.state = 619;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
             if(_la===FSHParser.KW_AND) {
-                this.state = 603;
+                this.state = 617;
                 this.match(FSHParser.KW_AND);
-                this.state = 604;
+                this.state = 618;
                 this.vsFromValueset();
             }
 
             break;
         case FSHParser.KW_VSREFERENCE:
-            this.state = 607;
+            this.state = 621;
             this.vsFromValueset();
-            this.state = 610;
+            this.state = 624;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
             if(_la===FSHParser.KW_AND) {
-                this.state = 608;
+                this.state = 622;
                 this.match(FSHParser.KW_AND);
-                this.state = 609;
+                this.state = 623;
                 this.vsFromSystem();
             }
 
@@ -6609,12 +6756,12 @@ FSHParser.VsFromSystemContext = VsFromSystemContext;
 FSHParser.prototype.vsFromSystem = function() {
 
     var localctx = new VsFromSystemContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 110, FSHParser.RULE_vsFromSystem);
+    this.enterRule(localctx, 112, FSHParser.RULE_vsFromSystem);
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 614;
+        this.state = 628;
         this.match(FSHParser.KW_SYSTEM);
-        this.state = 615;
+        this.state = 629;
         this.name();
     } catch (re) {
     	if(re instanceof antlr4.error.RecognitionException) {
@@ -6706,12 +6853,12 @@ FSHParser.VsFromValuesetContext = VsFromValuesetContext;
 FSHParser.prototype.vsFromValueset = function() {
 
     var localctx = new VsFromValuesetContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 112, FSHParser.RULE_vsFromValueset);
+    this.enterRule(localctx, 114, FSHParser.RULE_vsFromValueset);
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 617;
+        this.state = 631;
         this.match(FSHParser.KW_VSREFERENCE);
-        this.state = 628;
+        this.state = 642;
         this._errHandler.sync(this);
         switch(this._input.LA(1)) {
         case FSHParser.KW_MS:
@@ -6725,26 +6872,26 @@ FSHParser.prototype.vsFromValueset = function() {
         case FSHParser.KW_UNITS:
         case FSHParser.NUMBER:
         case FSHParser.SEQUENCE:
-            this.state = 623;
+            this.state = 637;
             this._errHandler.sync(this);
-            var _alt = this._interp.adaptivePredict(this._input,65,this._ctx)
+            var _alt = this._interp.adaptivePredict(this._input,66,this._ctx)
             while(_alt!=2 && _alt!=antlr4.atn.ATN.INVALID_ALT_NUMBER) {
                 if(_alt===1) {
-                    this.state = 618;
+                    this.state = 632;
                     this.name();
-                    this.state = 619;
+                    this.state = 633;
                     this.match(FSHParser.KW_AND); 
                 }
-                this.state = 625;
+                this.state = 639;
                 this._errHandler.sync(this);
-                _alt = this._interp.adaptivePredict(this._input,65,this._ctx);
+                _alt = this._interp.adaptivePredict(this._input,66,this._ctx);
             }
 
-            this.state = 626;
+            this.state = 640;
             this.name();
             break;
         case FSHParser.COMMA_DELIMITED_SEQUENCES:
-            this.state = 627;
+            this.state = 641;
             this.match(FSHParser.COMMA_DELIMITED_SEQUENCES);
             break;
         default:
@@ -6832,25 +6979,25 @@ FSHParser.VsFilterListContext = VsFilterListContext;
 FSHParser.prototype.vsFilterList = function() {
 
     var localctx = new VsFilterListContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 114, FSHParser.RULE_vsFilterList);
+    this.enterRule(localctx, 116, FSHParser.RULE_vsFilterList);
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 635;
+        this.state = 649;
         this._errHandler.sync(this);
-        var _alt = this._interp.adaptivePredict(this._input,67,this._ctx)
+        var _alt = this._interp.adaptivePredict(this._input,68,this._ctx)
         while(_alt!=2 && _alt!=antlr4.atn.ATN.INVALID_ALT_NUMBER) {
             if(_alt===1) {
-                this.state = 630;
+                this.state = 644;
                 this.vsFilterDefinition();
-                this.state = 631;
+                this.state = 645;
                 this.match(FSHParser.KW_AND); 
             }
-            this.state = 637;
+            this.state = 651;
             this._errHandler.sync(this);
-            _alt = this._interp.adaptivePredict(this._input,67,this._ctx);
+            _alt = this._interp.adaptivePredict(this._input,68,this._ctx);
         }
 
-        this.state = 638;
+        this.state = 652;
         this.vsFilterDefinition();
     } catch (re) {
     	if(re instanceof antlr4.error.RecognitionException) {
@@ -6923,19 +7070,19 @@ FSHParser.VsFilterDefinitionContext = VsFilterDefinitionContext;
 FSHParser.prototype.vsFilterDefinition = function() {
 
     var localctx = new VsFilterDefinitionContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 116, FSHParser.RULE_vsFilterDefinition);
+    this.enterRule(localctx, 118, FSHParser.RULE_vsFilterDefinition);
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 640;
+        this.state = 654;
         this.name();
-        this.state = 641;
+        this.state = 655;
         this.vsFilterOperator();
-        this.state = 643;
+        this.state = 657;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         if(((((_la - 41)) & ~0x1f) == 0 && ((1 << (_la - 41)) & ((1 << (FSHParser.KW_TRUE - 41)) | (1 << (FSHParser.KW_FALSE - 41)) | (1 << (FSHParser.STRING - 41)) | (1 << (FSHParser.CODE - 41)) | (1 << (FSHParser.REGEX - 41)))) !== 0)) {
-            this.state = 642;
+            this.state = 656;
             this.vsFilterValue();
         }
 
@@ -7006,11 +7153,11 @@ FSHParser.VsFilterOperatorContext = VsFilterOperatorContext;
 FSHParser.prototype.vsFilterOperator = function() {
 
     var localctx = new VsFilterOperatorContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 118, FSHParser.RULE_vsFilterOperator);
+    this.enterRule(localctx, 120, FSHParser.RULE_vsFilterOperator);
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 645;
+        this.state = 659;
         _la = this._input.LA(1);
         if(!(_la===FSHParser.EQUAL || _la===FSHParser.SEQUENCE)) {
         this._errHandler.recoverInline(this);
@@ -7098,34 +7245,34 @@ FSHParser.VsFilterValueContext = VsFilterValueContext;
 FSHParser.prototype.vsFilterValue = function() {
 
     var localctx = new VsFilterValueContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 120, FSHParser.RULE_vsFilterValue);
+    this.enterRule(localctx, 122, FSHParser.RULE_vsFilterValue);
     try {
-        this.state = 652;
+        this.state = 666;
         this._errHandler.sync(this);
         switch(this._input.LA(1)) {
         case FSHParser.CODE:
             this.enterOuterAlt(localctx, 1);
-            this.state = 647;
+            this.state = 661;
             this.code();
             break;
         case FSHParser.KW_TRUE:
             this.enterOuterAlt(localctx, 2);
-            this.state = 648;
+            this.state = 662;
             this.match(FSHParser.KW_TRUE);
             break;
         case FSHParser.KW_FALSE:
             this.enterOuterAlt(localctx, 3);
-            this.state = 649;
+            this.state = 663;
             this.match(FSHParser.KW_FALSE);
             break;
         case FSHParser.REGEX:
             this.enterOuterAlt(localctx, 4);
-            this.state = 650;
+            this.state = 664;
             this.match(FSHParser.REGEX);
             break;
         case FSHParser.STRING:
             this.enterOuterAlt(localctx, 5);
-            this.state = 651;
+            this.state = 665;
             this.match(FSHParser.STRING);
             break;
         default:
@@ -7234,11 +7381,11 @@ FSHParser.NameContext = NameContext;
 FSHParser.prototype.name = function() {
 
     var localctx = new NameContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 122, FSHParser.RULE_name);
+    this.enterRule(localctx, 124, FSHParser.RULE_name);
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 654;
+        this.state = 668;
         _la = this._input.LA(1);
         if(!((((_la) & ~0x1f) == 0 && ((1 << _la) & ((1 << FSHParser.KW_MS) | (1 << FSHParser.KW_SU) | (1 << FSHParser.KW_TU) | (1 << FSHParser.KW_NORMATIVE) | (1 << FSHParser.KW_DRAFT))) !== 0) || ((((_la - 45)) & ~0x1f) == 0 && ((1 << (_la - 45)) & ((1 << (FSHParser.KW_CODES - 45)) | (1 << (FSHParser.KW_VSREFERENCE - 45)) | (1 << (FSHParser.KW_SYSTEM - 45)) | (1 << (FSHParser.KW_UNITS - 45)) | (1 << (FSHParser.NUMBER - 45)) | (1 << (FSHParser.SEQUENCE - 45)))) !== 0))) {
         this._errHandler.recoverInline(this);
@@ -7314,11 +7461,11 @@ FSHParser.PathContext = PathContext;
 FSHParser.prototype.path = function() {
 
     var localctx = new PathContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 124, FSHParser.RULE_path);
+    this.enterRule(localctx, 126, FSHParser.RULE_path);
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 656;
+        this.state = 670;
         _la = this._input.LA(1);
         if(!(_la===FSHParser.KW_SYSTEM || _la===FSHParser.SEQUENCE)) {
         this._errHandler.recoverInline(this);
@@ -7390,10 +7537,10 @@ FSHParser.PathsContext = PathsContext;
 FSHParser.prototype.paths = function() {
 
     var localctx = new PathsContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 126, FSHParser.RULE_paths);
+    this.enterRule(localctx, 128, FSHParser.RULE_paths);
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 658;
+        this.state = 672;
         this.match(FSHParser.COMMA_DELIMITED_SEQUENCES);
     } catch (re) {
     	if(re instanceof antlr4.error.RecognitionException) {
@@ -7458,10 +7605,10 @@ FSHParser.CaretPathContext = CaretPathContext;
 FSHParser.prototype.caretPath = function() {
 
     var localctx = new CaretPathContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 128, FSHParser.RULE_caretPath);
+    this.enterRule(localctx, 130, FSHParser.RULE_caretPath);
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 660;
+        this.state = 674;
         this.match(FSHParser.CARET_SEQUENCE);
     } catch (re) {
     	if(re instanceof antlr4.error.RecognitionException) {
@@ -7546,11 +7693,11 @@ FSHParser.FlagContext = FlagContext;
 FSHParser.prototype.flag = function() {
 
     var localctx = new FlagContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 130, FSHParser.RULE_flag);
+    this.enterRule(localctx, 132, FSHParser.RULE_flag);
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 662;
+        this.state = 676;
         _la = this._input.LA(1);
         if(!((((_la) & ~0x1f) == 0 && ((1 << _la) & ((1 << FSHParser.KW_MOD) | (1 << FSHParser.KW_MS) | (1 << FSHParser.KW_SU) | (1 << FSHParser.KW_TU) | (1 << FSHParser.KW_NORMATIVE) | (1 << FSHParser.KW_DRAFT))) !== 0))) {
         this._errHandler.recoverInline(this);
@@ -7634,11 +7781,11 @@ FSHParser.StrengthContext = StrengthContext;
 FSHParser.prototype.strength = function() {
 
     var localctx = new StrengthContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 132, FSHParser.RULE_strength);
+    this.enterRule(localctx, 134, FSHParser.RULE_strength);
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 664;
+        this.state = 678;
         _la = this._input.LA(1);
         if(!(((((_la - 31)) & ~0x1f) == 0 && ((1 << (_la - 31)) & ((1 << (FSHParser.KW_EXAMPLE - 31)) | (1 << (FSHParser.KW_PREFERRED - 31)) | (1 << (FSHParser.KW_EXTENSIBLE - 31)) | (1 << (FSHParser.KW_REQUIRED - 31)))) !== 0))) {
         this._errHandler.recoverInline(this);
@@ -7754,81 +7901,81 @@ FSHParser.ValueContext = ValueContext;
 FSHParser.prototype.value = function() {
 
     var localctx = new ValueContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 134, FSHParser.RULE_value);
+    this.enterRule(localctx, 136, FSHParser.RULE_value);
     try {
-        this.state = 678;
+        this.state = 692;
         this._errHandler.sync(this);
-        var la_ = this._interp.adaptivePredict(this._input,70,this._ctx);
+        var la_ = this._interp.adaptivePredict(this._input,71,this._ctx);
         switch(la_) {
         case 1:
             this.enterOuterAlt(localctx, 1);
-            this.state = 666;
+            this.state = 680;
             this.match(FSHParser.STRING);
             break;
 
         case 2:
             this.enterOuterAlt(localctx, 2);
-            this.state = 667;
+            this.state = 681;
             this.match(FSHParser.MULTILINE_STRING);
             break;
 
         case 3:
             this.enterOuterAlt(localctx, 3);
-            this.state = 668;
+            this.state = 682;
             this.match(FSHParser.NUMBER);
             break;
 
         case 4:
             this.enterOuterAlt(localctx, 4);
-            this.state = 669;
+            this.state = 683;
             this.match(FSHParser.DATETIME);
             break;
 
         case 5:
             this.enterOuterAlt(localctx, 5);
-            this.state = 670;
+            this.state = 684;
             this.match(FSHParser.TIME);
             break;
 
         case 6:
             this.enterOuterAlt(localctx, 6);
-            this.state = 671;
+            this.state = 685;
             this.reference();
             break;
 
         case 7:
             this.enterOuterAlt(localctx, 7);
-            this.state = 672;
+            this.state = 686;
             this.canonical();
             break;
 
         case 8:
             this.enterOuterAlt(localctx, 8);
-            this.state = 673;
+            this.state = 687;
             this.code();
             break;
 
         case 9:
             this.enterOuterAlt(localctx, 9);
-            this.state = 674;
+            this.state = 688;
             this.quantity();
             break;
 
         case 10:
             this.enterOuterAlt(localctx, 10);
-            this.state = 675;
+            this.state = 689;
             this.ratio();
             break;
 
         case 11:
             this.enterOuterAlt(localctx, 11);
-            this.state = 676;
+            this.state = 690;
             this.bool();
             break;
 
         case 12:
             this.enterOuterAlt(localctx, 12);
-            this.state = 677;
+            this.state = 691;
             this.name();
             break;
 
@@ -7922,31 +8069,31 @@ FSHParser.ItemContext = ItemContext;
 FSHParser.prototype.item = function() {
 
     var localctx = new ItemContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 136, FSHParser.RULE_item);
+    this.enterRule(localctx, 138, FSHParser.RULE_item);
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 680;
+        this.state = 694;
         this.name();
-        this.state = 683;
+        this.state = 697;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         if(_la===FSHParser.KW_NAMED) {
-            this.state = 681;
+            this.state = 695;
             this.match(FSHParser.KW_NAMED);
-            this.state = 682;
+            this.state = 696;
             this.name();
         }
 
-        this.state = 685;
+        this.state = 699;
         this.match(FSHParser.CARD);
-        this.state = 689;
+        this.state = 703;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         while((((_la) & ~0x1f) == 0 && ((1 << _la) & ((1 << FSHParser.KW_MOD) | (1 << FSHParser.KW_MS) | (1 << FSHParser.KW_SU) | (1 << FSHParser.KW_TU) | (1 << FSHParser.KW_NORMATIVE) | (1 << FSHParser.KW_DRAFT))) !== 0)) {
-            this.state = 686;
+            this.state = 700;
             this.flag();
-            this.state = 691;
+            this.state = 705;
             this._errHandler.sync(this);
             _la = this._input.LA(1);
         }
@@ -8017,19 +8164,20 @@ FSHParser.CodeContext = CodeContext;
 FSHParser.prototype.code = function() {
 
     var localctx = new CodeContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 138, FSHParser.RULE_code);
+    this.enterRule(localctx, 140, FSHParser.RULE_code);
+    var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 692;
+        this.state = 706;
         this.match(FSHParser.CODE);
-        this.state = 694;
+        this.state = 708;
         this._errHandler.sync(this);
-        var la_ = this._interp.adaptivePredict(this._input,73,this._ctx);
-        if(la_===1) {
-            this.state = 693;
+        _la = this._input.LA(1);
+        if(_la===FSHParser.STRING) {
+            this.state = 707;
             this.match(FSHParser.STRING);
-
         }
+
     } catch (re) {
     	if(re instanceof antlr4.error.RecognitionException) {
 	        localctx.exception = re;
@@ -8065,14 +8213,30 @@ ConceptContext.prototype.STAR = function() {
     return this.getToken(FSHParser.STAR, 0);
 };
 
-ConceptContext.prototype.code = function() {
-    return this.getTypedRuleContext(CodeContext,0);
+ConceptContext.prototype.CODE = function(i) {
+	if(i===undefined) {
+		i = null;
+	}
+    if(i===null) {
+        return this.getTokens(FSHParser.CODE);
+    } else {
+        return this.getToken(FSHParser.CODE, i);
+    }
 };
 
-ConceptContext.prototype.STRING = function() {
-    return this.getToken(FSHParser.STRING, 0);
+
+ConceptContext.prototype.STRING = function(i) {
+	if(i===undefined) {
+		i = null;
+	}
+    if(i===null) {
+        return this.getTokens(FSHParser.STRING);
+    } else {
+        return this.getToken(FSHParser.STRING, i);
+    }
 };
 
+
 ConceptContext.prototype.MULTILINE_STRING = function() {
     return this.getToken(FSHParser.MULTILINE_STRING, 0);
 };
@@ -8105,19 +8269,35 @@ FSHParser.ConceptContext = ConceptContext;
 FSHParser.prototype.concept = function() {
 
     var localctx = new ConceptContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 140, FSHParser.RULE_concept);
+    this.enterRule(localctx, 142, FSHParser.RULE_concept);
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 696;
+        this.state = 710;
         this.match(FSHParser.STAR);
-        this.state = 697;
-        this.code();
-        this.state = 699;
+        this.state = 712; 
+        this._errHandler.sync(this);
+        _la = this._input.LA(1);
+        do {
+            this.state = 711;
+            this.match(FSHParser.CODE);
+            this.state = 714; 
+            this._errHandler.sync(this);
+            _la = this._input.LA(1);
+        } while(_la===FSHParser.CODE);
+        this.state = 717;
+        this._errHandler.sync(this);
+        var la_ = this._interp.adaptivePredict(this._input,76,this._ctx);
+        if(la_===1) {
+            this.state = 716;
+            this.match(FSHParser.STRING);
+
+        }
+        this.state = 720;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         if(_la===FSHParser.STRING || _la===FSHParser.MULTILINE_STRING) {
-            this.state = 698;
+            this.state = 719;
             _la = this._input.LA(1);
             if(!(_la===FSHParser.STRING || _la===FSHParser.MULTILINE_STRING)) {
             this._errHandler.recoverInline(this);
@@ -8203,13 +8383,13 @@ FSHParser.QuantityContext = QuantityContext;
 FSHParser.prototype.quantity = function() {
 
     var localctx = new QuantityContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 142, FSHParser.RULE_quantity);
+    this.enterRule(localctx, 144, FSHParser.RULE_quantity);
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 701;
+        this.state = 722;
         this.match(FSHParser.NUMBER);
-        this.state = 702;
+        this.state = 723;
         _la = this._input.LA(1);
         if(!(_la===FSHParser.UNIT || _la===FSHParser.CODE)) {
         this._errHandler.recoverInline(this);
@@ -8218,11 +8398,11 @@ FSHParser.prototype.quantity = function() {
         	this._errHandler.reportMatch(this);
             this.consume();
         }
-        this.state = 704;
+        this.state = 725;
         this._errHandler.sync(this);
         _la = this._input.LA(1);
         if(_la===FSHParser.STRING) {
-            this.state = 703;
+            this.state = 724;
             this.match(FSHParser.STRING);
         }
 
@@ -8300,14 +8480,14 @@ FSHParser.RatioContext = RatioContext;
 FSHParser.prototype.ratio = function() {
 
     var localctx = new RatioContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 144, FSHParser.RULE_ratio);
+    this.enterRule(localctx, 146, FSHParser.RULE_ratio);
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 706;
+        this.state = 727;
         this.ratioPart();
-        this.state = 707;
+        this.state = 728;
         this.match(FSHParser.COLON);
-        this.state = 708;
+        this.state = 729;
         this.ratioPart();
     } catch (re) {
     	if(re instanceof antlr4.error.RecognitionException) {
@@ -8380,11 +8560,11 @@ FSHParser.ReferenceContext = ReferenceContext;
 FSHParser.prototype.reference = function() {
 
     var localctx = new ReferenceContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 146, FSHParser.RULE_reference);
+    this.enterRule(localctx, 148, FSHParser.RULE_reference);
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 710;
+        this.state = 731;
         _la = this._input.LA(1);
         if(!(_la===FSHParser.OR_REFERENCE || _la===FSHParser.PIPE_REFERENCE)) {
         this._errHandler.recoverInline(this);
@@ -8393,11 +8573,11 @@ FSHParser.prototype.reference = function() {
         	this._errHandler.reportMatch(this);
             this.consume();
         }
-        this.state = 712;
+        this.state = 733;
         this._errHandler.sync(this);
-        var la_ = this._interp.adaptivePredict(this._input,76,this._ctx);
+        var la_ = this._interp.adaptivePredict(this._input,79,this._ctx);
         if(la_===1) {
-            this.state = 711;
+            this.state = 732;
             this.match(FSHParser.STRING);
 
         }
@@ -8464,10 +8644,10 @@ FSHParser.CanonicalContext = CanonicalContext;
 FSHParser.prototype.canonical = function() {
 
     var localctx = new CanonicalContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 148, FSHParser.RULE_canonical);
+    this.enterRule(localctx, 150, FSHParser.RULE_canonical);
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 714;
+        this.state = 735;
         this.match(FSHParser.CANONICAL);
     } catch (re) {
     	if(re instanceof antlr4.error.RecognitionException) {
@@ -8536,21 +8716,21 @@ FSHParser.RatioPartContext = RatioPartContext;
 FSHParser.prototype.ratioPart = function() {
 
     var localctx = new RatioPartContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 150, FSHParser.RULE_ratioPart);
+    this.enterRule(localctx, 152, FSHParser.RULE_ratioPart);
     try {
-        this.state = 718;
+        this.state = 739;
         this._errHandler.sync(this);
-        var la_ = this._interp.adaptivePredict(this._input,77,this._ctx);
+        var la_ = this._interp.adaptivePredict(this._input,80,this._ctx);
         switch(la_) {
         case 1:
             this.enterOuterAlt(localctx, 1);
-            this.state = 716;
+            this.state = 737;
             this.match(FSHParser.NUMBER);
             break;
 
         case 2:
             this.enterOuterAlt(localctx, 2);
-            this.state = 717;
+            this.state = 738;
             this.quantity();
             break;
 
@@ -8622,11 +8802,11 @@ FSHParser.BoolContext = BoolContext;
 FSHParser.prototype.bool = function() {
 
     var localctx = new BoolContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 152, FSHParser.RULE_bool);
+    this.enterRule(localctx, 154, FSHParser.RULE_bool);
     var _la = 0; // Token type
     try {
         this.enterOuterAlt(localctx, 1);
-        this.state = 720;
+        this.state = 741;
         _la = this._input.LA(1);
         if(!(_la===FSHParser.KW_TRUE || _la===FSHParser.KW_FALSE)) {
         this._errHandler.recoverInline(this);
@@ -8702,9 +8882,9 @@ FSHParser.TargetTypeContext = TargetTypeContext;
 FSHParser.prototype.targetType = function() {
 
     var localctx = new TargetTypeContext(this, this._ctx, this.state);
-    this.enterRule(localctx, 154, FSHParser.RULE_targetType);
+    this.enterRule(localctx, 156, FSHParser.RULE_targetType);
     try {
-        this.state = 724;
+        this.state = 745;
         this._errHandler.sync(this);
         switch(this._input.LA(1)) {
         case FSHParser.KW_MS:
@@ -8719,13 +8899,13 @@ FSHParser.prototype.targetType = function() {
         case FSHParser.NUMBER:
         case FSHParser.SEQUENCE:
             this.enterOuterAlt(localctx, 1);
-            this.state = 722;
+            this.state = 743;
             this.name();
             break;
         case FSHParser.OR_REFERENCE:
         case FSHParser.PIPE_REFERENCE:
             this.enterOuterAlt(localctx, 2);
-            this.state = 723;
+            this.state = 744;
             this.reference();
             break;
         default:
diff --git a/src/import/generated/FSHVisitor.js b/src/import/generated/FSHVisitor.js
index 4d64719..98889ce 100644
--- a/src/import/generated/FSHVisitor.js
+++ b/src/import/generated/FSHVisitor.js
@@ -300,6 +300,12 @@ FSHVisitor.prototype.visitCaretValueRule = function(ctx) {
 };
 
 
+// Visit a parse tree produced by FSHParser#codeCaretValueRule.
+FSHVisitor.prototype.visitCodeCaretValueRule = function(ctx) {
+  return this.visitChildren(ctx);
+};
+
+
 // Visit a parse tree produced by FSHParser#mappingRule.
 FSHVisitor.prototype.visitMappingRule = function(ctx) {
   return this.visitChildren(ctx);
diff --git a/src/import/parserContexts.ts b/src/import/parserContexts.ts
index d83b56d..7fed707 100644
--- a/src/import/parserContexts.ts
+++ b/src/import/parserContexts.ts
@@ -94,6 +94,7 @@ export interface CsMetadataContext extends ParserRuleContext {
 export interface CsRuleContext extends ParserRuleContext {
   concept(): ConceptContext;
   caretValueRule(): CaretValueRuleContext;
+  codeCaretValueRule(): CodeCaretValueRuleContext;
   insertRule(): InsertRuleContext;
 }
 
@@ -118,6 +119,7 @@ export interface RuleSetRuleContext extends ParserRuleContext {
   sdRule(): SdRuleContext;
   vsComponent(): VsComponentContext;
   concept(): ConceptContext;
+  codeCaretValueRule(): CodeCaretValueRuleContext;
 }
 
 export interface ParamRuleSetContext extends ParserRuleContext {
@@ -307,8 +309,8 @@ export interface CodeContext extends ParserRuleContext {
 }
 
 export interface ConceptContext extends ParserRuleContext {
-  code(): CodeContext;
-  STRING(): ParserRuleContext;
+  CODE(): ParserRuleContext[];
+  STRING(): ParserRuleContext[];
   MULTILINE_STRING(): ParserRuleContext;
 }
 
@@ -375,6 +377,12 @@ export interface CaretValueRuleContext extends ParserRuleContext {
   value(): ValueContext;
 }
 
+export interface CodeCaretValueRuleContext extends ParserRuleContext {
+  CODE(): ParserRuleContext[];
+  caretPath(): CaretPathContext;
+  value(): ValueContext;
+}
+
 export interface InsertRuleContext extends ParserRuleContext {
   RULESET_REFERENCE(): ParserRuleContext;
   PARAM_RULESET_REFERENCE(): ParserRuleContext;


Test patch:
diff --git a/test/fshtypes/rules/CodeCaretValueRule.test.ts b/test/fshtypes/rules/CodeCaretValueRule.test.ts
new file mode 100644
index 0000000..c30d392
--- /dev/null
+++ b/test/fshtypes/rules/CodeCaretValueRule.test.ts
@@ -0,0 +1,15 @@
+import 'jest-extended';
+import { CodeCaretValueRule } from '../../../src/fshtypes/rules/CodeCaretValueRule';
+
+describe('CodeCaretValueRule', () => {
+  describe('#constructor', () => {
+    it('should set the properties correctly', () => {
+      const c = new CodeCaretValueRule(['first', 'another']);
+      expect(c.path).toBe('');
+      expect(c.codePath).toEqual(['first', 'another']);
+      expect(c.caretPath).toBeUndefined();
+      expect(c.value).toBeUndefined();
+      expect(c.isInstance).toBeUndefined();
+    });
+  });
+});
diff --git a/test/fshtypes/rules/ConceptRule.test.ts b/test/fshtypes/rules/ConceptRule.test.ts
index 07d9d5e..7a71bf0 100644
--- a/test/fshtypes/rules/ConceptRule.test.ts
+++ b/test/fshtypes/rules/ConceptRule.test.ts
@@ -9,6 +9,7 @@ describe('ConceptRule', () => {
       expect(c.code).toBe('foo');
       expect(c.display).toBe('bar');
       expect(c.definition).toBe('baz');
+      expect(c.hierarchy).toHaveLength(0);
     });
   });
 });
diff --git a/test/import/FSHImporter.CodeSystem.test.ts b/test/import/FSHImporter.CodeSystem.test.ts
index 0247e64..41dfbc5 100644
--- a/test/import/FSHImporter.CodeSystem.test.ts
+++ b/test/import/FSHImporter.CodeSystem.test.ts
@@ -1,7 +1,13 @@
 import { importSingleText } from '../testhelpers/importSingleText';
 import { assertCaretValueRule, assertInsertRule } from '../testhelpers/asserts';
 import { loggerSpy } from '../testhelpers/loggerSpy';
-import { Rule, CaretValueRule, InsertRule, ConceptRule } from '../../src/fshtypes/rules';
+import {
+  Rule,
+  CaretValueRule,
+  InsertRule,
+  ConceptRule,
+  CodeCaretValueRule
+} from '../../src/fshtypes/rules';
 
 describe('FSHImporter', () => {
   describe('CodeSystem', () => {
@@ -176,6 +182,7 @@ describe('FSHImporter', () => {
         expect(concept.code).toBe('lion');
         expect(concept.display).toBeUndefined();
         expect(concept.definition).toBeUndefined();
+        expect(concept.hierarchy).toHaveLength(0);
         expect(concept.sourceInfo.location).toEqual({
           startLine: 3,
           startColumn: 9,
@@ -200,6 +207,7 @@ describe('FSHImporter', () => {
         expect(concept.code).toBe('tiger');
         expect(concept.display).toBe('Tiger');
         expect(concept.definition).toBeUndefined();
+        expect(concept.hierarchy).toHaveLength(0);
         expect(concept.sourceInfo.location).toEqual({
           startLine: 3,
           startColumn: 9,
@@ -224,6 +232,7 @@ describe('FSHImporter', () => {
         expect(concept.code).toBe('bear');
         expect(concept.display).toBe('Bear');
         expect(concept.definition).toBe('A member of family Ursidae.');
+        expect(concept.hierarchy).toHaveLength(0);
         expect(concept.sourceInfo.location).toEqual({
           startLine: 3,
           startColumn: 9,
@@ -255,6 +264,7 @@ describe('FSHImporter', () => {
           'about the greatest ape of all.'
         ].join('\n');
         expect(concept.definition).toBe(expectedDefinition);
+        expect(concept.hierarchy).toHaveLength(0);
         expect(concept.sourceInfo.location).toEqual({
           startLine: 3,
           startColumn: 9,
@@ -281,6 +291,7 @@ describe('FSHImporter', () => {
         expect(concept.code).toBe('lion');
         expect(concept.display).toBeUndefined();
         expect(concept.definition).toBeUndefined();
+        expect(concept.hierarchy).toHaveLength(0);
         expect(concept.sourceInfo.location).toEqual({
           startLine: 3,
           startColumn: 9,
@@ -293,6 +304,7 @@ describe('FSHImporter', () => {
         expect(concept.code).toBe('tiger');
         expect(concept.display).toBe('Tiger');
         expect(concept.definition).toBeUndefined();
+        expect(concept.hierarchy).toHaveLength(0);
         expect(concept.sourceInfo.location).toEqual({
           startLine: 4,
           startColumn: 9,
@@ -305,6 +317,7 @@ describe('FSHImporter', () => {
         expect(concept.code).toBe('bear');
         expect(concept.display).toBe('Bear');
         expect(concept.definition).toBe('A member of family Ursidae.');
+        expect(concept.hierarchy).toHaveLength(0);
         expect(concept.sourceInfo.location).toEqual({
           startLine: 5,
           startColumn: 9,
@@ -314,6 +327,56 @@ describe('FSHImporter', () => {
         expect(concept.sourceInfo.file).toBe('Zoo.fsh');
       });
 
+      it('should parse a code system with hierarchical codes', () => {
+        const input = `
+        CodeSystem: ZOO
+        * #bear "Bear" "A member of family Ursidae."
+        * #bear #sunbear "Sun bear" "Helarctos malayanus"
+        * #bear #sunbear #ursula "Ursula the sun bear"
+        `;
+        const result = importSingleText(input, 'Zoo.fsh');
+        expect(result.codeSystems.size).toBe(1);
+        const codeSystem = result.codeSystems.get('ZOO');
+        expect(codeSystem.name).toBe('ZOO');
+        expect(codeSystem.rules.length).toBe(3);
+        expect(codeSystem.rules[0]).toBeInstanceOf(ConceptRule);
+        let concept = codeSystem.rules[0] as ConceptRule;
+        expect(concept.code).toBe('bear');
+        expect(concept.display).toBe('Bear');
+        expect(concept.definition).toBe('A member of family Ursidae.');
+        expect(concept.hierarchy).toHaveLength(0);
+        expect(concept.sourceInfo.location).toEqual({
+          startLine: 3,
+          startColumn: 9,
+          endLine: 3,
+          endColumn: 52
+        });
+        expect(codeSystem.rules[1]).toBeInstanceOf(ConceptRule);
+        concept = codeSystem.rules[1] as ConceptRule;
+        expect(concept.code).toBe('sunbear');
+        expect(concept.display).toBe('Sun bear');
+        expect(concept.definition).toBe('Helarctos malayanus');
+        expect(concept.hierarchy).toEqual(['bear']);
+        expect(concept.sourceInfo.location).toEqual({
+          startLine: 4,
+          startColumn: 9,
+          endLine: 4,
+          endColumn: 57
+        });
+        expect(codeSystem.rules[2]).toBeInstanceOf(ConceptRule);
+        concept = codeSystem.rules[2] as ConceptRule;
+        expect(concept.code).toBe('ursula');
+        expect(concept.display).toBe('Ursula the sun bear');
+        expect(concept.definition).toBeUndefined();
+        expect(concept.hierarchy).toEqual(['bear', 'sunbear']);
+        expect(concept.sourceInfo.location).toEqual({
+          startLine: 5,
+          startColumn: 9,
+          endLine: 5,
+          endColumn: 54
+        });
+      });
+
       it('should log an error when encountering a duplicate code', () => {
         const input = `
         CodeSystem: ZOO
@@ -328,23 +391,40 @@ describe('FSHImporter', () => {
         expect(loggerSpy.getLastMessage('error')).toMatch(/File: Zoo\.fsh.*Line: 4\D*/s);
       });
 
+      it('should log an error when encountering a code with an incorrectly defined hierarchy', () => {
+        const input = `
+        CodeSystem: ZOO
+        * #bear "Bear" "A member of family Ursidae."
+        * #bear #sunbear #ursula "Ursula the sun bear"
+        `;
+        const result = importSingleText(input, 'Zoo.fsh');
+        expect(result.codeSystems.size).toBe(1);
+        const codeSystem = result.codeSystems.get('ZOO');
+        expect(codeSystem.name).toBe('ZOO');
+        expect(codeSystem.rules.length).toBe(1);
+        expect(loggerSpy.getLastMessage('error')).toMatch(/File: Zoo\.fsh.*Line: 4\D*/s);
+      });
+
       it('should log an error when a concept includes a system declaration', () => {
         const input = `
         CodeSystem: ZOO
         * #goat
         * ZOO#bat
         * CRYPTID#jackalope
+        * ZOO#goat #mountaingoat
         `;
         const result = importSingleText(input, 'Zoo.fsh');
         expect(result.codeSystems.size).toBe(1);
         const codeSystem = result.codeSystems.get('ZOO');
         expect(codeSystem.name).toBe('ZOO');
-        expect(codeSystem.rules.length).toBe(3);
+        expect(codeSystem.rules.length).toBe(4);
         expect((codeSystem.rules[0] as ConceptRule).code).toBe('goat');
         expect((codeSystem.rules[1] as ConceptRule).code).toBe('bat');
         expect((codeSystem.rules[2] as ConceptRule).code).toBe('jackalope');
-        expect(loggerSpy.getMessageAtIndex(-2, 'error')).toMatch(/File: Zoo\.fsh.*Line: 4\D*/s);
-        expect(loggerSpy.getLastMessage('error')).toMatch(/File: Zoo\.fsh.*Line: 5\D*/s);
+        expect((codeSystem.rules[3] as ConceptRule).code).toBe('mountaingoat');
+        expect(loggerSpy.getMessageAtIndex(-3, 'error')).toMatch(/File: Zoo\.fsh.*Line: 4\D*/s);
+        expect(loggerSpy.getMessageAtIndex(-2, 'error')).toMatch(/File: Zoo\.fsh.*Line: 5\D*/s);
+        expect(loggerSpy.getLastMessage('error')).toMatch(/File: Zoo\.fsh.*Line: 6\D*/s);
       });
     });
 
@@ -392,6 +472,58 @@ describe('FSHImporter', () => {
       });
     });
 
+    describe('#codeCaretValueRule', () => {
+      it('should parse a code system that uses a CodeCaretValueRule on a top-level concept', () => {
+        const input = `
+        CodeSystem: ZOO
+        * #anteater "Anteater"
+        * #anteater ^property[0].valueString = "Their threat pose is really cute."
+        `;
+        const result = importSingleText(input, 'Zoo.fsh');
+        const codeSystem = result.codeSystems.get('ZOO');
+        expect(codeSystem.rules[0]).toBeInstanceOf(ConceptRule);
+        const concept = codeSystem.rules[0] as ConceptRule;
+        expect(concept.code).toBe('anteater');
+        expect(concept.hierarchy).toEqual([]);
+        expect(concept.sourceInfo.file).toBe('Zoo.fsh');
+        expect(codeSystem.rules[1]).toBeInstanceOf(CodeCaretValueRule);
+        const codeCaret = codeSystem.rules[1] as CodeCaretValueRule;
+        expect(codeCaret.codePath).toEqual(['anteater']);
+        expect(codeCaret.path).toBe('');
+        expect(codeCaret.caretPath).toBe('property[0].valueString');
+        expect(codeCaret.value).toBe('Their threat pose is really cute.');
+        expect(codeCaret.sourceInfo.file).toBe('Zoo.fsh');
+      });
+
+      it('should parse a code system that uses a CodeCaretValueRule on a nested concept', () => {
+        const input = `
+        CodeSystem: ZOO
+        * #anteater "Anteater"
+        * #anteater #northern "Northern tamandua"
+        * #anteater #northern ^property[0].valueString = "They are strong climbers."
+        `;
+        const result = importSingleText(input, 'Zoo.fsh');
+        const codeSystem = result.codeSystems.get('ZOO');
+        expect(codeSystem.rules[0]).toBeInstanceOf(ConceptRule);
+        let concept = codeSystem.rules[0] as ConceptRule;
+        expect(concept.code).toBe('anteater');
+        expect(concept.hierarchy).toEqual([]);
+        expect(concept.sourceInfo.file).toBe('Zoo.fsh');
+        expect(codeSystem.rules[1]).toBeInstanceOf(ConceptRule);
+        concept = codeSystem.rules[1] as ConceptRule;
+        expect(concept.code).toBe('northern');
+        expect(concept.hierarchy).toEqual(['anteater']);
+        expect(concept.sourceInfo.file).toBe('Zoo.fsh');
+        expect(codeSystem.rules[2]).toBeInstanceOf(CodeCaretValueRule);
+        const codeCaret = codeSystem.rules[2] as CodeCaretValueRule;
+        expect(codeCaret.codePath).toEqual(['anteater', 'northern']);
+        expect(codeCaret.path).toBe('');
+        expect(codeCaret.caretPath).toBe('property[0].valueString');
+        expect(codeCaret.value).toBe('They are strong climbers.');
+        expect(codeCaret.sourceInfo.file).toBe('Zoo.fsh');
+      });
+    });
+
     describe('#insertRule', () => {
       it('should parse an insert rule with a single RuleSet', () => {
         const input = `
diff --git a/test/import/FSHImporter.RuleSet.test.ts b/test/import/FSHImporter.RuleSet.test.ts
index 3d9a06b..b6b68b6 100644
--- a/test/import/FSHImporter.RuleSet.test.ts
+++ b/test/import/FSHImporter.RuleSet.test.ts
@@ -7,7 +7,7 @@ import {
   assertValueSetConceptComponent
 } from '../testhelpers/asserts';
 import { loggerSpy } from '../testhelpers/loggerSpy';
-import { Rule, ConceptRule } from '../../src/fshtypes/rules';
+import { Rule, ConceptRule, CodeCaretValueRule } from '../../src/fshtypes/rules';
 import { FshCode } from '../../src/fshtypes';
 
 describe('FSHImporter', () => {
@@ -100,12 +100,13 @@ describe('FSHImporter', () => {
       assertCardRule(ruleSet.rules[2] as Rule, 'contact', 1, '1');
     });
 
-    it('should parse a RuleSet with rules, ValueSetComponents, and ConceptRules', () => {
+    it('should parse a RuleSet with rules, ValueSetComponents, ConceptRules, and CodeCaretValueRules', () => {
       const input = `
         RuleSet: RuleRuleSet
         * gender from https://www.hl7.org/fhir/valueset-administrative-gender.html
         * #bear from system ZOO
         * #lion
+        * #lion ^designation.value = "Watch out for big cat!"
         `;
       const result = importSingleText(input, 'Rules.fsh');
       expect(result.ruleSets.size).toBe(1);
@@ -114,9 +115,10 @@ describe('FSHImporter', () => {
       expect(ruleSet.sourceInfo.location).toEqual({
         startLine: 2,
         startColumn: 9,
-        endLine: 5,
-        endColumn: 15
+        endLine: 6,
+        endColumn: 61
       });
+      expect(ruleSet.rules).toHaveLength(4);
       assertBindingRule(
         ruleSet.rules[0] as Rule,
         'gender',
@@ -130,6 +132,19 @@ describe('FSHImporter', () => {
       expect(concept).toEqual(
         new ConceptRule('lion').withFile('Rules.fsh').withLocation([5, 9, 5, 15])
       );
+      expect(ruleSet.rules[3]).toBeInstanceOf(CodeCaretValueRule);
+      const codeCaret = ruleSet.rules[3] as CodeCaretValueRule;
+      expect(codeCaret.codePath).toEqual(['lion']);
+      expect(codeCaret.path).toBe('');
+      expect(codeCaret.caretPath).toBe('designation.value');
+      expect(codeCaret.value).toBe('Watch out for big cat!');
+      expect(codeCaret.sourceInfo.file).toBe('Rules.fsh');
+      expect(codeCaret.sourceInfo.location).toEqual({
+        startLine: 6,
+        startColumn: 9,
+        endLine: 6,
+        endColumn: 61
+      });
     });
 
     it('should log an error when parsing a mixin with no rules', () => {