anchor.diff:        RETURNING VALUE(rt_source) TYPE ty_string_tt
         RAISING   lcx_exception.
   
  +    METHODS read_include
  +      IMPORTING is_clskey        TYPE seoclskey
  +                iv_type          TYPE seop_include_ext_app
  +      RETURNING VALUE(rt_source) TYPE seop_source_string.
  +
       METHODS serialize_testclasses
         IMPORTING is_clskey        TYPE seoclskey
         RETURNING VALUE(rt_source) TYPE ty_string_tt
  
positive.code: 
    METHOD serialize_locals_imp.
  
      CALL FUNCTION 'SEO_CLASS_GET_INCLUDE_SOURCE'
        EXPORTING
          clskey                       = is_clskey
          inctype                      = seop_ext_class_locals_imp
        IMPORTING
          source_expanded              = rt_source
        EXCEPTIONS
          _internal_class_not_existing = 1
          not_existing                 = 2
          OTHERS                       = 3.
      IF sy-subrc <> 0 AND sy-subrc <> 2.
        _raise 'Error from get_include_source, imp'.
      ENDIF.
  
      reduce( CHANGING ct_source = rt_source ).
  
  
negative.code:           lv_line2 LIKE LINE OF rt_source.
  
  
      rt_source = read_include( is_clskey = is_clskey
                                iv_type = seop_ext_class_testclasses ).
  
  * when creating classes in Eclipse it automatically generates the
  * testclass include, but it is not needed, so skip to avoid
  