import { Filter } from '../types.ts';
import { RealTimeFeedBase } from './realtimefeed.ts';
export declare class PhemexRealTimeFeed extends RealTimeFeedBase {
    protected readonly wssURL = "wss://ws.phemex.com/";
    protected readonly throttleSubscribeMS = 100;
    protected readonly channelsMap: any;
    protected mapToSubscribeMessages(filters: Filter<string>[]): {
        id: number;
        method: any;
        params: string[];
    }[];
    protected messageIsError(message: any): boolean;
}
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