syntax_data: {"ast_node_type":"other","tokens":[{"end":44,"kind":"keyword","start":0,"text":"$tmod_enum_name:ident,"}]}
source_snippet:         $tmod_enum_name:ident, $prefix:expr,
context_before:     (
context_after:         @parse {$($eout:tt)*}, ($puser_value:ident){$($pout:tt)*};