syntax_data: {"ast_node_type":"variable","tokens":[{"end":29,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:         let interned_parent =
context_before:     pub fn parent(self) -> Option<LocalDefId> {
context_after:             |index: u32| with_span_interner(|interner| interner.spans[index as usize].parent);