export declare class MainThreadSyncAccessHandleFallback implements FileSystemSyncAccessHandle {
    private static openHandles;
    private buffer;
    private path;
    constructor(path: string);
    close(): void;
    read(buffer: ArrayBuffer, options: {
        at: number;
    }): number;
    write(buffer: ArrayBuffer, options: {
        at: number;
    }): number;
    truncate(size: number): void;
    flush(): void;
    getSize(): number;
}
