syntax_data: {"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"self.insert_place_idx(target_child,"}]}
source_snippet:                 self.insert_place_idx(target_child, *source_child, map);
context_before:             if let Some(source_child) = map.projections.get(&(source, projection)) {
context_after:             }