{"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"ptr.cast::<WithCachedTypeInfo<ty::ConstKind<'tcx>>>().as_ref(),"}]}
                    ptr.cast::<WithCachedTypeInfo<ty::ConstKind<'tcx>>>().as_ref(),
                CONST_TAG => GenericArgKind::Const(ty::Const(Interned::new_unchecked(
                ))),