import { type FileTransferTransport } from "./transport.js";
export interface FileOffer {
    id: string;
    name: string;
    size: number;
    mime: string;
    hashAlgo?: string;
    hashHex?: string;
}
export type DataEventType = {
    type: "connected";
    connId: number;
    peer: string;
} | {
    type: "fileOffer";
    offer: FileOffer;
    connId: number;
} | {
    type: "fileCanceled";
    id: string;
    name: string;
    reason: string;
} | {
    type: "sendPending";
    id: string;
    name: string;
    size: number;
} | {
    type: "sendAccepted";
    id: string;
    name: string;
} | {
    type: "sendAwaitingAck";
    id: string;
    name: string;
} | {
    type: "sendRejected";
    id: string;
    name: string;
    reason: string;
} | {
    type: "fileRepairing";
    id: string;
    name: string;
    missing: number;
    slowNetwork: boolean;
} | {
    type: "fileProgress";
    id: string;
    received: number;
    total: number;
    bytesPerSecond: number;
    slowNetwork: boolean;
} | {
    type: "fileComplete";
    id: string;
    name: string;
    blob: Blob;
} | {
    type: "sendProgress";
    id: string;
    name: string;
    sent: number;
    total: number;
    bytesPerSecond: number;
    slowNetwork: boolean;
} | {
    type: "sendComplete";
    id: string;
    name: string;
} | {
    type: "closed";
    reason: string;
} | {
    type: "error";
    message: string;
};
type DataEventCallback = (event: DataEventType) => void;
export declare function onDataEvent(cb: DataEventCallback): void;
export declare function setFileTransferTransport(transport: FileTransferTransport | null): void;
export declare function getFileTransferTransport(): FileTransferTransport | null;
/** Open a data connection to a peer. Resolves only when the dataConnected event fires.
 *  If a connect attempt is already in flight, returns the existing promise. */
export declare function connectData(peerAddress: string): Promise<void>;
/** Start listening for incoming data connections at the given address. */
export declare function startDataListening(address: string): Promise<void>;
/** Wire up host data events. Call once on boot. */
export declare function initDataEvents(): void;
/** Close the data connection. */
export declare function closeData(): Promise<void>;
export declare function isConnected(): boolean;
export declare function sendFile(file: File): Promise<void>;
export declare function acceptFileOffer(id: string): Promise<void>;
export declare function rejectFileOffer(id: string, reason?: string): Promise<void>;
export declare function cancelFileTransfer(id: string, reason?: string): Promise<void>;
export {};
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