import type { FileTransfers } from './file-transfers.js';
import type { TeamAppOperation } from '../team-app-contract.js';
import { type TeamSendInput, type TeamSendTask } from '../team-send-contract.js';
interface Ports {
    currentUser(): Promise<number | undefined>;
    files(): FileTransfers;
    identify(ref: string, userId: number): Promise<string>;
    identifyReply(conversationRef: string, messageRef: string, userId: number): Promise<string>;
    execute(operation: TeamAppOperation, params: Record<string, unknown>, signal: AbortSignal): Promise<unknown>;
}
/** Team delivery policy only. FileTransfers owns all bytes, upload checkpoints and disk writes. */
export declare class TeamSendQueue {
    private readonly ports;
    private timer?;
    private closed;
    private epoch;
    private draining;
    private resumeDrain;
    private drainRequested;
    private pollDelay;
    private readonly progress;
    private readonly active;
    constructor(ports: Ports);
    start(): void;
    pause(): void;
    dispose(): void;
    private wake;
    private user;
    private guard;
    enqueue(input: TeamSendInput): Promise<TeamSendTask>;
    list(conversationRef: string): Promise<TeamSendTask[]>;
    retry(conversationRef: string, taskRef: string): Promise<TeamSendTask>;
    cancel(conversationRef: string, taskRef: string): Promise<TeamSendTask>;
    private completeCancellation;
    private command;
    private save;
    recover(): Promise<void>;
    private drain;
    private run;
    private failed;
    private backoff;
}
export {};
//# sourceMappingURL=team-send-queue.d.ts.map