import Window, { WindowArgs } from "../Window";
import { JSONDef, Indicator, Close } from "../types";
export interface ROCArgs {
    period: number;
    count: number;
    window: WindowArgs<number>;
}
export default class ROC extends Indicator<ROCArgs> {
    period: number;
    count: number;
    window: Window<number>;
    constructor(period?: number, count?: number, window?: Window<number>);
    next(value: number): number;
    nextBar(bar: Close): number;
    reset(): void;
    toString(): string;
    toJSON(): JSONDef<ROCArgs>;
    static readonly key = "finance.tr.ROC";
    static minBars({ period }: ROCArgs): number;
    static display({ period }: ROCArgs, value?: string): string;
    static from({ period, count, window }: ROCArgs): ROC;
}