syntax_data: {"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"impl<HCX:"}]}
source_snippet: impl<HCX: Clone, DefId: HashStable<HCX>> ToStableHashKey<HCX> for SimplifiedType<DefId> {
context_before: #[cfg(feature = "nightly")]
context_after:     type KeyType = Fingerprint;