syntax_data: {"ast_node_type":"variable","tokens":[{"end":67,"kind":"keyword","start":0,"text":"&&"}]}
source_snippet:                 && let Some(parent) = self.tcx().opt_parent(def_id)
context_before:             if let DefKind::AssocConst | DefKind::AssocFn | DefKind::AssocTy = kind
context_after:                 && let parent_key = self.tcx().def_key(parent)