import { ethers } from 'ethers';
export declare const SetImageHashPrefix = "0x8713a7c4465f6fbee2b6e9d6646d1d9f83fec929edfc4baf661f3c865bdd04d1";
export declare function hashSetImageHash(imageHash: string): string;
export declare function messageSetImageHash(imageHash: string): string;
export declare function decodeMessageSetImageHash(message: ethers.BytesLike): string | undefined;
export declare function isMessageSetImageHash(message: ethers.BytesLike): boolean;