syntax_data: {"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"canonical_user_type_annotations:"}]}
source_snippet:             canonical_user_type_annotations: IndexVec::new(),
context_before:             local_decls: IndexVec::from_elem_n(LocalDecl::new(return_ty, return_span), 1),
context_after:             upvars: CaptureMap::new(),