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