import { LocalDataFile } from './LocalDataFile';
import { LocalFileSourceBrowser } from '../types';
/**
 * Represents a data file on the browser platform.
 */
export declare class LocalDataFileBrowser extends LocalDataFile {
    /**
     * Utility function to wrap a file as a [[DataFile]] for this platform.
     * @param source - The file to wrap
     */
    static fromSource(source: LocalFileSourceBrowser): Promise<LocalDataFileBrowser>;
    /**
     * Internal representation of the file
     */
    private blob;
    /**
     * @param blob - Container of the file
     */
    constructor(blob: Blob | File);
    /**
     * The total length, in bytes, of the file this instance represents.
     */
    get byteLength(): Promise<number>;
    /**
     * Closes the local file handle for the current platform. After this function is called all subsequent operations
     * on this file, or any other data sources depending on this file, will fail.
     */
    close(): void;
    /**
     * Loads the file into an ArrayBuffer. Optionally a `start` and `end` can be specified to load a part of the file.
     * @param start - The offset at which the data will start loading
     * @param end - The offset at which the data will stop loading
     */
    loadData(start?: number, end?: number): Promise<ArrayBuffer>;
    /**
     * Loads the specified blob into an array buffer.
     * @param blob - The blob to load
     */
    private loadBlob;
}