/**
 * Velo Plot - Financial/Technical Indicators Module
 *
 * Provides common financial and technical analysis indicators:
 * - Moving Averages (SMA, EMA, WMA)
 * - Momentum Indicators (RSI, MACD, Stochastic)
 * - Volatility (Bollinger Bands, ATR)
 * - Volume (VWAP, OBV)
 * - Trend (ADX, Aroon)
 *
 * @module indicators
 */
export interface IndicatorResult {
    /** Indicator values (NaN for insufficient data) */
    values: Float32Array;
    /** Additional line (e.g., signal line for MACD) */
    signal?: Float32Array;
    /** Upper band (e.g., Bollinger upper) */
    upper?: Float32Array;
    /** Lower band (e.g., Bollinger lower) */
    lower?: Float32Array;
    /** Histogram (e.g., MACD histogram) */
    histogram?: Float32Array;
}
export interface OHLCData {
    open: Float32Array | Float64Array;
    high: Float32Array | Float64Array;
    low: Float32Array | Float64Array;
    close: Float32Array | Float64Array;
    volume?: Float32Array | Float64Array;
}
/**
 * Simple Moving Average (SMA)
 * @param data Input data array
 * @param period Number of periods
 */
export declare function sma(data: Float32Array | Float64Array | number[], period: number): Float32Array;
/**
 * Exponential Moving Average (EMA)
 * @param data Input data array
 * @param period Number of periods
 */
export declare function ema(data: Float32Array | Float64Array | number[], period: number): Float32Array;
/**
 * Weighted Moving Average (WMA)
 * @param data Input data array
 * @param period Number of periods
 */
export declare function wma(data: Float32Array | Float64Array | number[], period: number): Float32Array;
/**
 * Double Exponential Moving Average (DEMA)
 * @param data Input data array
 * @param period Number of periods
 */
export declare function dema(data: Float32Array | Float64Array | number[], period: number): Float32Array;
/**
 * Triple Exponential Moving Average (TEMA)
 * @param data Input data array
 * @param period Number of periods
 */
export declare function tema(data: Float32Array | Float64Array | number[], period: number): Float32Array;
/**
 * Relative Strength Index (RSI)
 * @param data Close prices
 * @param period RSI period (default: 14)
 */
export declare function rsi(data: Float32Array | Float64Array | number[], period?: number): Float32Array;
/**
 * Moving Average Convergence Divergence (MACD)
 * @param data Close prices
 * @param fastPeriod Fast EMA period (default: 12)
 * @param slowPeriod Slow EMA period (default: 26)
 * @param signalPeriod Signal line period (default: 9)
 */
export declare function macd(data: Float32Array | Float64Array | number[], fastPeriod?: number, slowPeriod?: number, signalPeriod?: number): IndicatorResult;
/**
 * Stochastic Oscillator
 * @param ohlc OHLC data
 * @param kPeriod %K period (default: 14)
 * @param dPeriod %D smoothing period (default: 3)
 */
export declare function stochastic(ohlc: OHLCData, kPeriod?: number, dPeriod?: number): IndicatorResult;
/**
 * Rate of Change (ROC)
 * @param data Close prices
 * @param period ROC period (default: 10)
 */
export declare function roc(data: Float32Array | Float64Array | number[], period?: number): Float32Array;
/**
 * Momentum
 * @param data Close prices
 * @param period Momentum period (default: 10)
 */
export declare function momentum(data: Float32Array | Float64Array | number[], period?: number): Float32Array;
/**
 * Bollinger Bands
 * @param data Close prices
 * @param period SMA period (default: 20)
 * @param stdDev Standard deviation multiplier (default: 2)
 */
export declare function bollingerBands(data: Float32Array | Float64Array | number[], period?: number, stdDev?: number): IndicatorResult;
/**
 * Average True Range (ATR)
 * @param ohlc OHLC data
 * @param period ATR period (default: 14)
 */
export declare function atr(ohlc: OHLCData, period?: number): Float32Array;
/**
 * Standard Deviation
 * @param data Input data
 * @param period Period for calculation (default: 20)
 */
export declare function standardDeviation(data: Float32Array | Float64Array | number[], period?: number): Float32Array;
/**
 * Volume Weighted Average Price (VWAP)
 * @param ohlc OHLC data with volume
 */
export declare function vwap(ohlc: OHLCData): Float32Array;
/**
 * On-Balance Volume (OBV)
 * @param close Close prices
 * @param volume Volume data
 */
export declare function obv(close: Float32Array | Float64Array | number[], volume: Float32Array | Float64Array | number[]): Float32Array;
/**
 * Average Directional Index (ADX)
 * @param ohlc OHLC data
 * @param period ADX period (default: 14)
 */
export declare function adx(ohlc: OHLCData, period?: number): IndicatorResult;
/**
 * Aroon Indicator
 * @param ohlc OHLC data
 * @param period Aroon period (default: 25)
 */
export declare function aroon(ohlc: OHLCData, period?: number): IndicatorResult;
/**
 * Calculate percentage change
 */
export declare function percentChange(data: Float32Array | Float64Array | number[], period?: number): Float32Array;
/**
 * Calculate cumulative sum
 */
export declare function cumsum(data: Float32Array | Float64Array | number[]): Float32Array;
/**
 * Normalize data to 0-100 range
 */
export declare function normalize(data: Float32Array | Float64Array | number[]): Float32Array;