import { InboxApi } from '../api/inbox/InboxApi';
import { StoreApi } from '../api/store/StoreApi';
/**
 * Represents a stream reader for reading a file in chunks.
 */
export declare class StreamReader {
    private _data;
    private _handle;
    private _offset;
    private _size;
    private _api;
    /**
     * Creates an instance of StreamReader.
     *
     * @param {number} handle - The file handle.
     * @param {StoreApi} api {@link StoreApi `StoreApi`} instance
     */
    constructor(handle: number, api: StoreApi | InboxApi);
    /**
     * Gets the progress of reading the file as a percentage.
     *
     * @returns {number} The progress percentage.
     */
    get progress(): number;
    /**
     * Gets the data read so far.
     *
     * @returns {Uint8Array} The data read so far.
     */
    get data(): Uint8Array;
    /**
     * Reads the next chunk of the file.
     *
     * @returns {Promise<boolean>} A promise that resolves to true if there are more chunks to read, or false if the end of the file is reached.
     */
    readNextChunk(): Promise<boolean>;
    /**
     * Aborts the reading process and closes the file handle.
     *
     * @returns {Promise<string>} A promise that resolves when the file handle is closed.
     */
    abort(): Promise<string>;
    /**
     * Closes the file handle.
     *
     * @returns {Promise<string>} A promise that resolves when the file handle is closed and returns file ID.
     */
    close(): Promise<string>;
}