anchor.diff:        NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_FIVE_PLUS =
         CompileTimeErrorCodeWithUniqueName(
             'NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER',
  -          ' CompileTimeErrorCode.NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_FIVE_PLUS',
  +          'NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_FIVE_PLUS',
             "Missing concrete implementations of '{0}', '{1}', '{2}', '{3}', and "
                 "{4} more.",
             correction: "Try implementing the missing methods, or make the class "
  
positive.code:       NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_THREE =
        CompileTimeErrorCodeWithUniqueName(
            'NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER',
            'CompileTimeErrorCode.NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_THREE',
            "Missing concrete implementations of '{0}', '{1}', and '{2}'.",
            correction: "Try implementing the missing methods, or make the class "
                "abstract.",
  
negative.code:       NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_ONE =
        CompileTimeErrorCodeWithUniqueName(
            'NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER',
            'NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_ONE',
            "Missing concrete implementation of '{0}'.",
            correction: "Try implementing the missing method, or make the class "
                "abstract.",
  