import { StrophePlugin } from "./strophe-plugin";
import type { StropheConnection, StropheHandler } from "./types";
export declare class StrophePingPlugin extends StrophePlugin {
    constructor();
    static build(): StrophePingPlugin;
    init(conn: StropheConnection): void;
    /**
     * Function: ping
     *
     * Parameters:
     * (String) to - The JID you want to ping
     * (Function) success - Callback function on success
     * (Function) error - Callback function on error
     * (Integer) timeout - Timeout in milliseconds
     * @param jid
     * @param success
     * @param error
     * @param timeout
     */
    ping(jid: string, success: Function, error: Function, timeout: number): void;
    /**
     * Function: pong
     *
     * Parameters:
     * (Object) ping - The ping stanza from the server
     * @param ping
     */
    pong(ping: Element): void;
    /**
     * Function: addPingHandler
     * Parameters:
     * (Function) handler - Ping handler
     * Returns:
     * A reference to the handler that can be used to remove it.
     * @param handler
     */
    addPingHandler(handler: (stanza: Element) => boolean): StropheHandler;
}
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