/// <reference path="../../../globals.d.ts" />
/// <reference path="./filesaver.d.ts" />

declare module goog.fs {

    class FileWriter extends FileWriter__Class { }
    /** Fake class which should be extended to avoid inheriting static properties */
    class FileWriter__Class extends goog.fs.FileSaver__Class  { 
    
            /**
             * An object for monitoring the saving of files, as well as other fine-grained
             * writing operations.
             *
             * This should not be instantiated directly. Instead, it should be accessed via
             * {@link goog.fs.FileEntry#createWriter}.
             *
             * @param {!FileWriter} writer The underlying FileWriter object.
             * @constructor
             * @extends {goog.fs.FileSaver}
             * @final
             */
            constructor(writer: FileWriter);
    
            /**
             * @return {number} The byte offset at which the next write will occur.
             */
            getPosition(): number;
    
            /**
             * @return {number} The length of the file.
             */
            getLength(): number;
    
            /**
             * Write data to the file.
             *
             * @param {!Blob} blob The data to write.
             */
            write(blob: Blob): void;
    
            /**
             * Set the file position at which the next write will occur.
             *
             * @param {number} offset An absolute byte offset into the file.
             */
            seek(offset: number): void;
    
            /**
             * Changes the length of the file to that specified.
             *
             * @param {number} size The new size of the file, in bytes.
             */
            truncate(size: number): void;
    } 
    
}