syntax_data: {"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"ProjectionPredicate,"}]}
source_snippet:     ProjectionPredicate, SubtypePredicate, TraitPredicate, TraitRef,
context_before:     HostEffectPredicate, Interner, NormalizesTo, OutlivesPredicate, PatternKind,
context_after: };