syntax_data: {"ast_node_type":"other","tokens":[{"end":33,"kind":"keyword","start":0,"text":"pub(crate)"}]}
source_snippet:     pub(crate) ty_def_span: Span,
context_before:     #[label(mir_build_type_not_structural_def)]
context_after:     pub(crate) ty: Ty<'tcx>,