Program: 130832
Project: 130832
Buggy source:
public TypeSpec generateType(final TypeElement resourceDraftValueType){
  final ClassName concreteBuilderName=typeUtils.getConcreteBuilderType(resourceDraftValueType);
  final ClassName generatedBuilderName=typeUtils.getBuilderType(resourceDraftValueType);
  final List<ExecutableElement> propertyMethods=getAllPropertyMethodsSorted(resourceDraftValueType);
  final List<PropertyGenModel> properties=getPropertyGenModels(propertyMethods);
  final ResourceDraftValue resourceDraftValue=resourceDraftValueType.getAnnotation(ResourceDraftValue.class);
  final List<MethodSpec> builderMethodSpecs=properties.stream().flatMap(m -> createBuilderMethods(resourceDraftValueType,m).stream()).collect(Collectors.toList());
  final List<Modifier> fieldModifiers=new ArrayList<>();
  if (!resourceDraftValue.abstractBuilderClass()) {
    fieldModifiers.add(Modifier.PRIVATE);
  }
  final List<FieldSpec> fieldSpecs=properties.stream().map(m -> createField(m,fieldModifiers)).collect(Collectors.toList());
  final List<ClassName> additionalInterfaceNames=Stream.of(resourceDraftValue.additionalBuilderInterfaces()).map(interfaceName -> ClassName.get(elements.getTypeElement(interfaceName))).collect(Collectors.toList());
  final TypeSpec.Builder builder=TypeSpec.classBuilder(generatedBuilderName).addSuperinterfaces(additionalInterfaceNames).addAnnotation(AnnotationSpec.builder(Generated.class).addMember("String_Node_Str","String_Node_Str",getClass().getCanonicalName()).addMember("String_Node_Str","String_Node_Str","String_Node_Str" + resourceDraftValueType.getQualifiedName().toString()).build());
  final TypeName builderReturnType=typeUtils.getBuilderReturnType(resourceDraftValueType);
  builder.superclass(ClassName.get(Base.class)).addSuperinterface(ParameterizedTypeName.get(ClassName.get(Builder.class),builderReturnType));
  if (resourceDraftValue.abstractBuilderClass()) {
    builder.addJavadoc("String_Node_Str",resourceDraftValueType).addJavadoc("String_Node_Str").addModifiers(Modifier.ABSTRACT).addTypeVariable(TypeVariableName.get("String_Node_Str").withBounds(generatedBuilderName));
  }
 else {
    builder.addJavadoc("String_Node_Str",resourceDraftValueType).addModifiers(Modifier.PUBLIC,Modifier.FINAL);
  }
  final List<Modifier> constructorModifiers=new ArrayList<>();
  if (resourceDraftValue.abstractBuilderClass()) {
    constructorModifiers.add(Modifier.PROTECTED);
  }
  builder.addFields(fieldSpecs).addMethod(createDefaultConstructor(constructorModifiers)).addMethod(createConstructor(properties,constructorModifiers)).addMethods(builderMethodSpecs).addMethods(createListPluser(resourceDraftValueType,properties)).addMethods(createListElementPluser(resourceDraftValueType,properties)).addMethods(createSetPluser(resourceDraftValueType,properties)).addMethods(createSetElementPluser(resourceDraftValueType,properties));
  if (resourceDraftValue.gettersForBuilder()) {
    List<MethodSpec> getMethods=properties.stream().map(this::createGetMethod).collect(Collectors.toList());
    builder.addMethods(getMethods);
  }
  final TypeName draftImplType=typeUtils.getDraftImplType(resourceDraftValueType);
  final TypeName buildMethodReturnType=builderReturnType;
  builder.addMethod(createBuildMethod(buildMethodReturnType,draftImplType,propertyMethods)).addMethods(createFactoryMethods(resourceDraftValue.factoryMethods(),properties,concreteBuilderName)).addMethod(createCopyFactoryMethod(resourceDraftValueType,concreteBuilderName,propertyMethods));
  if (resourceDraftValue.copyFactoryMethods().length > 0) {
    createCopyFactoryMethods(resourceDraftValueType,propertyMethods,builder);
  }
  final TypeSpec draftBuilderBaseClass=builder.build();
  return draftBuilderBaseClass;
}

Fixed version (ground truth):
public TypeSpec generateType(final TypeElement resourceDraftValueType){
  final ClassName concreteBuilderName=typeUtils.getConcreteBuilderType(resourceDraftValueType);
  final ClassName generatedBuilderName=typeUtils.getBuilderType(resourceDraftValueType);
  final List<ExecutableElement> propertyMethods=getAllPropertyMethodsSorted(resourceDraftValueType);
  final List<PropertyGenModel> properties=getPropertyGenModels(propertyMethods);
  final ResourceDraftValue resourceDraftValue=resourceDraftValueType.getAnnotation(ResourceDraftValue.class);
  final List<MethodSpec> builderMethodSpecs=properties.stream().flatMap(m -> createBuilderMethods(resourceDraftValueType,m).stream()).collect(Collectors.toList());
  final List<Modifier> fieldModifiers=new ArrayList<>();
  if (!resourceDraftValue.abstractBuilderClass()) {
    fieldModifiers.add(Modifier.PRIVATE);
  }
  final List<FieldSpec> fieldSpecs=properties.stream().map(m -> createField(m,fieldModifiers)).collect(Collectors.toList());
  final List<ClassName> additionalInterfaceNames=Stream.of(resourceDraftValue.additionalBuilderInterfaces()).map(interfaceName -> ClassName.get(elements.getTypeElement(interfaceName))).collect(Collectors.toList());
  final TypeSpec.Builder builder=TypeSpec.classBuilder(generatedBuilderName).addSuperinterfaces(additionalInterfaceNames).addAnnotation(AnnotationSpec.builder(Generated.class).addMember("String_Node_Str","String_Node_Str",getClass().getCanonicalName()).addMember("String_Node_Str","String_Node_Str","String_Node_Str" + resourceDraftValueType.getQualifiedName().toString()).build());
  final TypeName builderReturnType=typeUtils.getBuilderReturnType(resourceDraftValueType);
  builder.superclass(ClassName.get(Base.class)).addSuperinterface(ParameterizedTypeName.get(ClassName.get(Builder.class),builderReturnType));
  if (resourceDraftValue.abstractBuilderClass()) {
    builder.addJavadoc("String_Node_Str",resourceDraftValueType).addJavadoc("String_Node_Str").addModifiers(Modifier.ABSTRACT).addTypeVariable(TypeVariableName.get("String_Node_Str").withBounds(generatedBuilderName));
  }
 else {
    builder.addJavadoc("String_Node_Str",resourceDraftValueType).addModifiers(Modifier.PUBLIC,Modifier.FINAL);
  }
  final List<Modifier> constructorModifiers=new ArrayList<>();
  if (resourceDraftValue.abstractBuilderClass()) {
    constructorModifiers.add(Modifier.PROTECTED);
  }
  builder.addFields(fieldSpecs).addMethod(createDefaultConstructor(constructorModifiers)).addMethods(builderMethodSpecs).addMethods(createListPluser(resourceDraftValueType,properties)).addMethods(createListElementPluser(resourceDraftValueType,properties)).addMethods(createSetPluser(resourceDraftValueType,properties)).addMethods(createSetElementPluser(resourceDraftValueType,properties));
  if (!properties.isEmpty()) {
    builder.addMethod(createConstructor(properties,constructorModifiers));
  }
  if (resourceDraftValue.gettersForBuilder()) {
    List<MethodSpec> getMethods=properties.stream().map(this::createGetMethod).collect(Collectors.toList());
    builder.addMethods(getMethods);
  }
  final TypeName draftImplType=typeUtils.getDraftImplType(resourceDraftValueType);
  final TypeName buildMethodReturnType=builderReturnType;
  builder.addMethod(createBuildMethod(buildMethodReturnType,draftImplType,propertyMethods)).addMethods(createFactoryMethods(resourceDraftValue.factoryMethods(),properties,concreteBuilderName)).addMethod(createCopyFactoryMethod(resourceDraftValueType,concreteBuilderName,propertyMethods));
  if (resourceDraftValue.copyFactoryMethods().length > 0) {
    createCopyFactoryMethods(resourceDraftValueType,propertyMethods,builder);
  }
  final TypeSpec draftBuilderBaseClass=builder.build();
  return draftBuilderBaseClass;
}