syntax_data: {"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"ty::Alias(ty::Projection"}]}
source_snippet:                 ty::Alias(ty::Projection | ty::Inherent | ty::Opaque, _) => {
context_before:                 // inputs to a projection as they may not appear in the normalized form.
context_after:                     return;