syntax_data: {"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub intercrate_ambiguity_causes: FxIndexSet<IntercrateAmbiguityCause<'tcx>>,
context_before:     pub self_ty: Option<Ty<'tcx>>,
context_after:     pub involves_placeholder: bool,