import { IDataFrame } from 'data-forge';
import "./ema";
/**
 * A record in the output macd bands dataframe.
 */
export interface IMacdEntry {
    /**
     * Short period exponential moving average.
     */
    shortEMA?: number;
    /**
     * Long period exponential moving average.
     */
    longEMA?: number;
    /**
     * Difference between short and long emas (this is the macd or 'moving average convergence divergence');
     */
    macd?: number;
    /**
     * The 'signal line', an exponential moving average of the macd.
     */
    signal?: number;
    /**
     * Difference between the macd and the signal line.
     */
    histogram?: number;
}
declare module "data-forge/build/lib/series" {
    interface ISeries<IndexT, ValueT> {
        macd(shortPeriod: number, longPeriod: number, signalPeriod: number): IDataFrame<any, IMacdEntry>;
    }
    interface Series<IndexT, ValueT> {
        macd(shortPeriod: number, longPeriod: number, signalPeriod: number): IDataFrame<any, IMacdEntry>;
    }
}