syntax_data: {"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":"TypeFlags::HAS_FREE_REGIONS"}]}
source_snippet:             TypeFlags::HAS_FREE_REGIONS | TypeFlags::HAS_RE_BOUND | TypeFlags::HAS_RE_ERASED,
context_before:         if t.has_type_flags(
context_after:         ) {