syntax_data: {"ast_node_type":"other","tokens":[{"end":35,"kind":"keyword","start":0,"text":"goal:"}]}
source_snippet:     goal: CanonicalAliasGoal<'tcx>,
context_before:     tcx: TyCtxt<'tcx>,
context_after: ) -> Result<&'tcx Canonical<'tcx, QueryResponse<'tcx, NormalizationResult<'tcx>>>, NoSolution> {