Source:
<code>public Expression create(ExpressionConverter converter, IConfigurationElement element) throws CoreException { String name= element.getName(); if (name==null) <START> return null; <END> switch (name) { case ExpressionTagNames.INSTANCEOF: return new InstanceofExpression(element); case ExpressionTagNames.TEST: return new TestExpression(element); case ExpressionTagNames.OR: { OrExpression result= new OrExpression(); processChildren(converter, element, result); return result; } case ExpressionTagNames.AND: { AndExpression result= new AndExpression(); processChildren(converter, element, result); return result; } case ExpressionTagNames.NOT: return new NotExpression(converter.perform(element.getChildren()[0])); case ExpressionTagNames.WITH: { WithExpression result= new WithExpression(element); processChildren(converter, element, result); return result; } case ExpressionTagNames.ADAPT: { AdaptExpression result= new AdaptExpression(element); processChildren(converter, element, result); return result; } case ExpressionTagNames.ITERATE: { IterateExpression result= new IterateExpression(element); processChildren(converter, element, result); return result; } case ExpressionTagNames.COUNT: return new CountExpression(element); case ExpressionTagNames.SYSTEM_TEST: return new SystemTestExpression(element); case ExpressionTagNames.RESOLVE: { ResolveExpression result= new ResolveExpression(element); processChildren(converter, element, result); return result; } case ExpressionTagNames.ENABLEMENT: { EnablementExpression result= new EnablementExpression(element); processChildren(converter, element, result); return result; } case ExpressionTagNames.EQUALS: return new EqualsExpression(element); case ExpressionTagNames.REFERENCE: return new ReferenceExpression(element); default: break; } return null; }</code><technical_language>Add {}</technical_language>

Target:
public Expression create(ExpressionConverter converter, IConfigurationElement element) throws CoreException { String name= element.getName(); if (name == null) { return null; } switch (name) { case ExpressionTagNames.INSTANCEOF: return new InstanceofExpression(element); case ExpressionTagNames.TEST: return new TestExpression(element); case ExpressionTagNames.OR: { OrExpression result= new OrExpression(); processChildren(converter, element, result); return result; } case ExpressionTagNames.AND: { AndExpression result= new AndExpression(); processChildren(converter, element, result); return result; } case ExpressionTagNames.NOT: return new NotExpression(converter.perform(element.getChildren()[0])); case ExpressionTagNames.WITH: { WithExpression result= new WithExpression(element); processChildren(converter, element, result); return result; } case ExpressionTagNames.ADAPT: { AdaptExpression result= new AdaptExpression(element); processChildren(converter, element, result); return result; } case ExpressionTagNames.ITERATE: { IterateExpression result= new IterateExpression(element); processChildren(converter, element, result); return result; } case ExpressionTagNames.COUNT: return new CountExpression(element); case ExpressionTagNames.SYSTEM_TEST: return new SystemTestExpression(element); case ExpressionTagNames.RESOLVE: { ResolveExpression result= new ResolveExpression(element); processChildren(converter, element, result); return result; } case ExpressionTagNames.ENABLEMENT: { EnablementExpression result= new EnablementExpression(element); processChildren(converter, element, result); return result; } case ExpressionTagNames.EQUALS: return new EqualsExpression(element); case ExpressionTagNames.REFERENCE: return new ReferenceExpression(element); default: break; } return null; }