anchor.diff:      |   'void' Identifier voidMethodDeclaratorRest
       |   Identifier constructorDeclaratorRest
       |   interfaceDeclaration
  +    |   annotationTypeDeclaration
       |   classDeclaration
  +    |   enumDeclaration
       ;
       
   memberDeclaration
  
positive.code:     ;
      
  interfaceDeclaration
      :   normalInterfaceDeclaration
      |   annotationTypeDeclaration
      ;
      
  normalInterfaceDeclaration
      :   'interface' Identifier typeParameters? ('extends' typeList)? interfaceBody
      ;
      
  
negative.code: 
  // ANNOTATIONS
  
  annotation
      :   '@' annotationName ( '(' ( elementValuePairs | elementValue )? ')' )?
      ;
  