/**
 *
 * @param high
 * @param low
 * @param close
 * @param short_period
 * @param medium_period
 * @param long_period
 * @param size
 * @returns
 */
export declare function ultosc(high: Array<number>, low: Array<number>, close: Array<number>, short_period: number, medium_period: number, long_period: number, size?: number): Promise<number[]>;