import type { MovingAverageInput, MovingAverageResult } from './types.js';
/**
 * Calculate moving average (simple or exponential) over a data series
 *
 * @param input - Data series, window size, and method ('sma' | 'ema')
 * @returns Moving average values
 * @throws RangeError if data is empty, window is less than 1,
 *   window exceeds data length, or method is not 'sma' or 'ema'
 */
export declare function movingAverage(input: MovingAverageInput): MovingAverageResult;
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