invalid_def_raw:    | ['async'] a='def' NAME [type_params] '(' [params] ')' ['->' expression] ':' NEWLINE !INDENT {        RAISE_INDENTATION_ERROR("expected an indented block after function definition on line %d", a->lineno) }invalid_class_def_raw:    | 'class' NAME [type_params] ['(' [arguments] ')'] NEWLINE { RAISE_SYNTAX_ERROR("expected ':'") }    | a='class' NAME [type_params] ['(' [arguments] ')'] ':' NEWLINE !INDENT {        RAISE_INDENTATION_ERROR("expected an indented block after class definition on line %d", a->lineno) }