import { CandleData } from "../StockData";
import { BaseIndicatorInput, BaseIndicator } from "../base-indicator";
export declare class ATRInput extends BaseIndicatorInput {
    low: number[];
    high: number[];
    close: number[];
    period: number;
}
export declare class ATR extends BaseIndicator {
    result: number[];
    generator: Generator<number | undefined, number | undefined, CandleData>;
    constructor(input: ATRInput);
    static calculate: typeof atr;
    nextValue(price: CandleData): number | undefined;
}
export declare function atr(input: ATRInput): number[];