/**
 * @hidden
 */
export declare class ExportUtilities {
    static getKeysFromData(data: any[]): string[];
    static saveBlobToFile(blob: Blob, fileName: any): void;
    static stringToArrayBuffer(s: string): ArrayBuffer;
    static isSpecialData(data: any[]): boolean;
    static hasValue(value: any): boolean;
    static isNullOrWhitespaces(value: string): boolean;
}