export declare class Tools { static UTF8_FLAG: number; static isUTF8(flags: number): number; static getDecoder(flags: number): any; static toShort(bytes: Uint8Array): number; static toInt(bytes: Uint8Array): number; static complexToFloat(xComplex: number): number; static uintToInt(uint: number): number; static paddingStart(s: string, length: number, char: string): string; static getPackage(data: number): "" | "android"; static getAttributeData(data: number, type: number, stringList: Array): any; }