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