import { IPv8API, VerificationRequest } from './IPv8API';
import { IVerifieeService, NonStagedRequestCallback } from './types/IVerifieeService';
export declare class VerifieeService implements IVerifieeService {
    private api;
    private timeInMillis;
    config: {
        intervalInMillis: number;
    };
    private stage;
    private listener;
    private intervalSubscription;
    constructor(api: IPv8API, timeInMillis?: () => number);
    stop(): this;
    stageVerification(mid_b64: string, attribute_names: string[], validUntil: number): Promise<any>;
    onNonStagedRequest(callback: NonStagedRequestCallback): this;
    protected stageSingle(mid_b64: string, attribute_name: string, validUntilTimeInMillis: number): Promise<void>;
    /** Check for a valid attestation in the queue, then attest and remove it. */
    protected onVerificationRequest(req: VerificationRequest): Promise<any>;
    protected handleNonStagedRequest(req: VerificationRequest): Promise<boolean>;
    protected awaitLoop(): void;
    protected getIfValid(mid_b64: string, attribute_name: string): VerificationGrant | null;
    protected get(mid_b64: string): VerificationGrant[];
    protected remove(mid_b64: string, attribute_name: string): void;
    protected put(mid_b64: string, item: VerificationGrant): void;
    protected removeInvalid(mid_b64: string): void;
    protected requirePeer(mid_b64: string): Promise<boolean>;
}
interface VerificationGrant {
    mid_b64: string;
    attribute_name: string;
    validUntilTimeInMillis: number;
    callback: () => void;
}
export {};