import Big from 'big.js';
import { Observable } from 'rxjs';
import { HighLowClose } from '../utils/HighLowClose';
export declare type ACResult = {
    momentum: Big;
    result: Big;
};
export declare const AC: (shortAO: number, longAO: number, signalInterval: number) => (observable: Observable<HighLowClose>) => Observable<ACResult>;