import { Instrument } from '@quantform/core';
export declare function watchCandle(instrument: Instrument, interval: string): import("rxjs").Observable<{
    timestamp: number;
    open: number;
    high: number;
    low: number;
    close: number;
    volume: number;
    trades: number;
}[]>;
export declare function hash(instrument: Instrument, interval: string): (string | Instrument)[];
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