import { Codec } from '@polkadot/trie-codec/types';
export declare type Constants = {
    EMPTY_NODE: Uint8Array;
    EMPTY_HASH: Uint8Array;
    EMPTY_HASH_STR: string;
    EMPTY_U8A: Uint8Array;
};
export default function (codec: Codec): {
    EMPTY_NODE: Uint8Array;
    EMPTY_HASH: Uint8Array;
    EMPTY_HASH_STR: string;
    EMPTY_U8A: Uint8Array;
};