syntax_data: {"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"rustc_type_ir::debug_bound_var(self,"}]}
source_snippet:                 rustc_type_ir::debug_bound_var(self, debruijn, bound_var)?
context_before:             ty::ConstKind::Bound(debruijn, bound_var) => {
context_after:             }