import { Filter } from '../types.ts';
import { RealTimeFeedBase } from './realtimefeed.ts';
export declare class AscendexRealTimeFeed extends RealTimeFeedBase {
    protected readonly wssURL = "wss://ascendex.com/api/pro/v2/stream";
    protected mapToSubscribeMessages(filters: Filter<string>[]): any[];
    protected messageIsError(message: any): boolean;
    protected sendCustomPing: () => void;
    protected messageIsHeartbeat(msg: any): boolean;
    protected provideManualSnapshots(filters: Filter<string>[], shouldCancel: () => boolean): Promise<void>;
}
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