import { BinanceClient } from '../../../clients';
export interface DiffDepthStreamResponse {
    eventTime: Date;
    symbol: string;
    firstUpdateId: number;
    finalUpdateId: number;
    bids: {
        price: number;
        quantity: number;
    }[];
    asks: {
        price: number;
        quantity: number;
    }[];
}
export declare function diffDepthStream(client: BinanceClient, symbol: string, updateSpeed: '100ms' | '1000ms', callback: (data: DiffDepthStreamResponse, error?: any) => any): () => any;