import { Big, BigSource } from 'big.js';
import { Indicator } from '../Indicator';
export declare class Period implements Indicator {
    readonly interval: number;
    values: Big[];
    highest?: Big;
    lowest?: Big;
    constructor(interval: number);
    getResult(): Big;
    update(value: BigSource): void;
    get isStable(): boolean;
}
export declare class FasterPeriod implements Indicator<number> {
    readonly interval: number;
    values: number[];
    highest?: number;
    lowest?: number;
    constructor(interval: number);
    getResult(): number;
    update(value: number): void;
    get isStable(): boolean;
}