syntax_data: {"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"SizedTraitKind::MetaSized"}]}
source_snippet:             SizedTraitKind::MetaSized => TraitSolverLangItem::MetaSized,
context_before:             SizedTraitKind::Sized => TraitSolverLangItem::Sized,
context_after:         })