syntax_data: {"ast_node_type":"other","tokens":[{"end":35,"kind":"keyword","start":0,"text":"alias_ty.to_ty(cx),"}]}
source_snippet:                 alias_ty.to_ty(cx),
context_before:             Some(ty::ClauseKind::TypeOutlives(ty::OutlivesPredicate(
context_after:                 outlives_region,