{"ast_node_type":"impl","tokens":[{"end":55,"kind":"keyword","start":0,"text":"static_roots:"}]}
        static_roots: impl FnOnce(&Self) -> &[AllocId],
        &mut self,
    ) -> Vec<(AllocId, MemoryKind<M::MemoryKind>, Allocation<M::Provenance, M::AllocExtra, M::Bytes>)>