import { InboxApi } from '../api/inbox/InboxApi';
/**
 * Represents a stream uploader for uploading a file in chunks.
 */
export declare class InboxFileUploader {
    private _inboxHandle;
    private _fileHandle;
    private _data;
    private _size;
    private _offset;
    private _api;
    private _type;
    private _reader;
    /**
     * Creates an instance of StreamUploader.
     * @param {InboxApi} api {@link InboxApi `InboxApi`} instance
     * @param {number} inboxHandle handle to the Inbox
     * @param {number} fileHandle file handle
     * @param {Uint8Array} data The data (file content) to upload.
     * @param {number} [offset=0] - The starting offset for uploading.
     */
    constructor(api: InboxApi, inboxHandle: number, fileHandle: number, data: Uint8Array | File, offset?: number);
    /**
     * Gets the progress of uploading the file as a percentage.
     *
     * @returns {number} The progress percentage.
     */
    get progress(): number;
    /**
     * Sends the next chunk of the file data to the server.
     *
     * @returns {Promise<boolean>} A promise that resolves to true if there are more chunks to send, or false if all data has been sent.
     */
    sendNextChunk(): Promise<boolean>;
    private sendFileChunk;
    private sendDataChunk;
}