export declare function encodeUint256(value: number | bigint): string;
export declare function encodeAddress(address: string): string;
export declare function encodeString(value: string, dynamicData: string[]): string;
export declare const encodeFunctionData: (selector: `0x${string}`, params: any[]) => `0x${string}`;
export declare function decodeData(data: string): {
    tokenId: bigint;
    nickname: string;
    address: `0x${string}`;
    email: string;
    freeText: string;
    image: string;
};