import { DpopStorage } from './storage';
import * as dpopUtils from './utils';
export declare class Dpop {
    protected readonly storage: DpopStorage;
    constructor(clientId: string);
    getNonce(id?: string): Promise<string | undefined>;
    setNonce(nonce: string, id?: string): Promise<void>;
    protected getOrGenerateKeyPair(): Promise<dpopUtils.KeyPair>;
    generateProof(params: {
        url: string;
        method: string;
        nonce?: string;
        accessToken?: string;
    }): Promise<string>;
    calculateThumbprint(): Promise<string>;
    clear(): Promise<void>;
}