syntax_data: {"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"Entry::Occupied(mut"}]}
source_snippet:             Entry::Occupied(mut entry) => *entry.get_mut() |= paths_to_nested,
context_before:         match self.nested_goals.entry(input) {
context_after:             Entry::Vacant(entry) => drop(entry.insert(paths_to_nested)),