import { IndexPriceEventCallback } from './model_index_price_event';
import { MarkPriceEventCallback } from './model_mark_price_event';
import { WebSocketService } from '../../../internal/interfaces/websocket';
export interface MarginPublicWS {
    /**
     * indexPrice Index Price
     * Subscribe to this topic to get the index price for margin trading. The following ticker symbols are supported: List of currently supported symbols.
     * push frequency: once every 1s
     */
    indexPrice(symbol: Array<string>, callback: IndexPriceEventCallback): Promise<string>;
    /**
     * markPrice Mark Price
     * Subscribe to this topic to get the mark price for margin trading. The following ticker symbols are supported: List of currently supported symbols
     * push frequency: once every 1s
     */
    markPrice(symbol: Array<string>, callback: MarkPriceEventCallback): Promise<string>;
    /**
     * Unsubscribe from topics
     */
    unSubscribe(id: string): Promise<void>;
    /**
     * Start websocket
     */
    start(): Promise<void>;
    /**
     * Stop websocket
     */
    stop(): Promise<void>;
}
export declare class MarginPublicWSImpl implements MarginPublicWS {
    private wsService;
    constructor(wsService: WebSocketService);
    indexPrice(symbol: Array<string>, callback: IndexPriceEventCallback): Promise<string>;
    markPrice(symbol: Array<string>, callback: MarkPriceEventCallback): Promise<string>;
    unSubscribe(id: string): Promise<void>;
    start(): Promise<void>;
    stop(): Promise<void>;
}