anchor.diff:      ;
   
   type_declaration
  -    :  TYPE identifier IS (table_type_def | varray_type_def | record_type_def | ref_cursor_type_def) ';'
  +    : TYPE identifier IS (table_type_def | varray_type_def | record_type_def | ref_cursor_type_def) ';'
       ;
   
   table_type_def
  
positive.code:     ;
  
  parallel_clause
      : ( NOPARALLEL
        | PARALLEL parallel_count=UNSIGNED_INTEGER
        )
      ;
  
  create_materialized_view_log
  
negative.code:     ;
  
  storage_clause
      : STORAGE '('
           (INITIAL initial_size=size_clause
           | NEXT next_size=size_clause
           | MINEXTENTS minextents=(UNSIGNED_INTEGER | UNLIMITED)
  