import { Instantiable, InstantiableConfig } from '../../Instantiable.abstract';
import { Bytes } from 'ethers';
export declare class SignatureUtils extends Instantiable {
    constructor(config: InstantiableConfig);
    signText(text: string | Bytes, address: string): Promise<string>;
    verifyText(text: string, signature: string): Promise<string>;
    static hash(seed: string): string;
}