import { JustDropApi } from "../core/api.js";
import { DropSession } from "../core/session.js";
import { type CheckedFile } from "./safety.js";
export type DropFileStatus = "queued" | "encrypting" | "uploading" | "sent" | "downloaded" | "error";
export interface DropFileState {
    path: string;
    name: string;
    size: number;
    status: DropFileStatus;
    fileId?: string;
    error?: string;
}
export interface ReceivedFileState {
    fileId: string;
    name: string;
    size: number;
    status: "downloading" | "saved" | "error";
    savedPath?: string;
    error?: string;
}
export type JobState = "waiting_for_peer" | "transferring" | "sent_awaiting_download" | "completed" | "cancelled" | "expired" | "error";
export interface TransferJob {
    kind: "drop" | "receive";
    roomCode: string;
    link: string;
    createdAt: number;
    expiresAt: number | null;
    state: JobState;
    peerPresent: boolean;
    joinedExisting: boolean;
    files: DropFileState[];
    received: ReceivedFileState[];
    saveDir?: string;
    error?: string;
    session: DropSession;
    abort: AbortController;
    uploadsStarted?: boolean;
}
export declare class TransferManager {
    private readonly api;
    private readonly jobs;
    constructor(api: JustDropApi);
    link(roomCode: string): string;
    get(roomCode: string): TransferJob | undefined;
    list(): TransferJob[];
    startDrop(files: CheckedFile[], expiryMinutes: number, existingRoomCode?: string): Promise<TransferJob>;
    startReceive(saveDir: string, expiryMinutes: number, existingRoomCode?: string): Promise<TransferJob>;
    cancel(roomCode: string): Promise<TransferJob>;
    private runDropWorker;
    private runUploads;
    private runReceiveWorker;
    private downloadOne;
    private armExpiryGuard;
    private failJob;
}