BodyDecl aspect_body_declaration =
    DECLARE PARENTS COLON interface_type.a EXTENDS interface_type_list.b SEMICOLON
    {: return new DeclareParentsExtends(a,b); :}
  | DECLARE PARENTS COLON interface_type.a IMPLEMENTS interface_type_list.b SEMICOLON
    {: return new DeclareParentsImplements(a,b); :}
  ;