import { ADL as ADLIndicator } from 'technicalindicators';
import { OHLC } from '../types';
import { Indicator, IndicatorInput } from './base-indicator';
export declare type AccumulationDistributionLineInput = IndicatorInput;
/**
 * The accumulation/distribution line was created by Marc Chaikin
 * to determine the flow of money into or out of a security. It should not
 * be confused with the advance/decline line. While their initials might be
 * the same, these are entirely different indicators, as are their users.
 * The advance/decline line provides insight into market movements and the
 * accumulation/distribution line is of use to traders seeking to measure
 * buy/sell pressure on a security or confirm the strength of a trend.
 */
export declare class ADL implements Indicator {
    indicator: ADLIndicator;
    /**
     * @param {OHLC[]} series candle series
     */
    constructor(series: OHLC[]);
    /**
     * Retrieve ADL values for instance
     * @return {number[]} values for instance data
     */
    getResults(): number[];
    /**
     * Calculate ADL to next tick
     * @param {OHLC} candle new candle to add to series
     * @return {number | undefined} next adl value or undefined if period is
     * greater than actual series length
     */
    next(candle: OHLC): number | undefined;
    /**
     * Create instance from data
     * @param {AccumulationDistributionLineInput} input input data
     * @return {ADL} adl instance
     */
    static generator({ series, }: AccumulationDistributionLineInput): ADL;
    /**
     * Get adl values from input
     * @param {AccumulationDistributionLineInput} input input data
     * @return {number[]} adl values
     */
    static calculate({ series, }: AccumulationDistributionLineInput): number[];
}