syntax_data: {"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"ty::ConstKind::Bound(debruijn,"}]}
source_snippet:                             ty::ConstKind::Bound(debruijn, b) => {
context_before:                         GenericArgKind::Const(ct) => match ct.kind() {
context_after:                                 // We only allow a `ty::INNERMOST` index in generic parameters.