import { ForecastingMethod, ForecastingParams, ForecastingResult } from './types';

/**
 * Main dispatcher for forecasting algorithms.
 */
export declare function calculateForecast(x: number[] | Float64Array | Float32Array, y: number[] | Float64Array | Float32Array, method: ForecastingMethod, horizon: number, params?: ForecastingParams, confidence?: number): ForecastingResult;
/**
 * Solve `A x = b` for a square matrix via Gaussian elimination with partial
 * pivoting. Returns [] if the matrix is singular.
 */
export declare function gaussianSolve(A: number[][], b: number[]): number[];