syntax_data: {"ast_node_type":"other","tokens":[{"end":35,"kind":"keyword","start":0,"text":"CanonicalVarKind::Ty(_)"}]}
source_snippet:             CanonicalVarKind::Ty(_)
context_before:             CanonicalVarKind::Region(_) | CanonicalVarKind::PlaceholderRegion(_) => true,
context_after:             | CanonicalVarKind::PlaceholderTy(_)