syntax_data: {"ast_node_type":"other","tokens":[{"end":1,"kind":"keyword","start":0,"text":"{"}]}
source_snippet: {
context_before:     F: FnMut(MovePathIndex, &'a MovePath<'tcx>) -> Option<(MovePathIndex, &'a MovePath<'tcx>)>,
context_after:     type Item = (MovePathIndex, &'a MovePath<'tcx>);