/**
 * Technical indicator library for trading strategies.
 * Pure functions — no side effects, no API calls.
 */
/** Calculate Exponential Moving Average */
export declare function calculateEMA(prices: number[], period: number): number[];
/** Calculate Simple Moving Average */
export declare function calculateSMA(prices: number[], period: number): number[];
/** Calculate Volume Weighted Average Price */
export declare function calculateVWAP(candles: {
    close: number;
    volume: number;
}[]): number;
/** Calculate Average True Range */
export declare function calculateATR(candles: {
    high: number;
    low: number;
    close: number;
}[], period: number): number[];
/** Calculate Bollinger Bands */
export declare function calculateBollingerBands(prices: number[], period: number, stdDevMultiplier?: number): {
    upper: number[];
    middle: number[];
    lower: number[];
};
/** Calculate RSI (extracted from conditions.ts) */
export declare function calculateRSI(closes: number[], period?: number): number;
/** Detect market regime: low-vol-trending, low-vol-ranging, high-vol-trending, high-vol-ranging */
export declare function detectRegime(prices: number[], period?: number): "low-vol-trending" | "low-vol-ranging" | "high-vol-trending" | "high-vol-ranging";