syntax_data: {"ast_node_type":"other","tokens":[{"end":45,"kind":"keyword","start":0,"text":"[TRACKED_NO_CRATE_HASH],"}]}
source_snippet:         [TRACKED_NO_CRATE_HASH], []) => {{}};
context_before:     ($struct_name:ident, $tmod_enum_name:ident, $opt_name:ident, $opt_expr:expr, $init:expr, $mods:expr, $tmod_vals:expr,
context_after: }