syntax_data: {"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"canonicalized:"}]}
source_snippet:     canonicalized: CanonicalQueryInput<'tcx, ParamEnvAnd<'tcx, Normalize<Clause<'tcx>>>>,
context_before:     tcx: TyCtxt<'tcx>,
context_after: ) -> Result<&'tcx Canonical<'tcx, QueryResponse<'tcx, Clause<'tcx>>>, NoSolution> {