syntax_data: {"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"ValueOrPlace::Place(source)"}]}
source_snippet:             ValueOrPlace::Place(source) => self.insert_place_idx(target, source, map),
context_before:             ValueOrPlace::Value(value) => self.insert_value_idx(target, value, map),
context_after:         }