import { type ArkmeOutgoingCallIntentClaim, type ArkmeOutgoingCallIntentResolutionInput, type ArkmeOutgoingCallMediaType, type ArkmeOutgoingCallToolResult } from './outgoing-call-contract.js';
interface BrokerOptions {
    now?: () => number;
    randomId?: () => string;
    setTimer?: (callback: () => void, delay: number) => unknown;
    clearTimer?: (handle: unknown) => void;
}
export declare class ArkmeOutgoingCallBroker {
    private readonly now;
    private readonly randomId;
    private readonly setTimer;
    private readonly clearTimer;
    private readonly intents;
    private readonly leases;
    private disposed;
    constructor(options?: BrokerOptions);
    request(input: {
        userId: number;
        sourceRef: string;
        displayName: string;
        mediaType: ArkmeOutgoingCallMediaType;
        signal?: AbortSignal;
    }): Promise<ArkmeOutgoingCallToolResult>;
    claim(userId: number): ArkmeOutgoingCallIntentClaim | null;
    resolveIntent(input: ArkmeOutgoingCallIntentResolutionInput): void;
    acquireLease(userId: number, callRequestId: string): number;
    heartbeatLease(userId: number, callRequestId: string): number;
    releaseLease(userId: number, callRequestId: string): void;
    clearUser(userId: number, message: string): void;
    dispose(): void;
    private expireStaleIntents;
    private expireLease;
    private removeIntent;
    private detachAbort;
}
export {};
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