import Big from 'big.js';
import { Observable } from 'rxjs';
import { HighLow } from '../utils/HighLowClose';
import { MovingAverageTypes } from '../utils/MovingAverageTypes';
export declare const AO: (shortInterval: number, longInterval: number, SmoothingIndicator?: MovingAverageTypes) => (observable: Observable<HighLow>) => Observable<Big>;