syntax_data: {"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"PlaceTypeAscription"}]}
source_snippet:             PlaceTypeAscription { source, user_ty, user_ty_span } => {
context_before:             }
context_after:                 print_indented!(self, "PlaceTypeAscription {", depth_lvl);