{"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"Some(GlobalAlloc::VTable(ty,"}]}
            Some(GlobalAlloc::VTable(ty, dyn_ty)) => {
            Some(GlobalAlloc::Function { instance, .. }) => write!(w, " (fn: {instance})")?,
                write!(w, " (vtable: impl {dyn_ty} for {ty})")?