anchor.diff:      ;
   
   secondaryConstructor
  -    : modifierList? CONSTRUCTOR NL* functionValueParameters (NL* COLON NL* constructorDelegationCall)? NL* block
  +    : modifierList? CONSTRUCTOR NL* functionValueParameters (NL* COLON NL* constructorDelegationCall)? NL* block?
       ;
   
   constructorDelegationCall
  
positive.code: memberAccessOperator
      : DOT | QUEST DOT
      ;
      
  modifierList
      : (annotations | modifier)+
      ;
  
negative.code:     | propertyDeclaration
      | anonymousInitializer
      | secondaryConstructor
      | typeAlias) anysemi+
      ;
  
  anonymousInitializer
  