import { AgoraRtmClientObserver } from './type';
import { AgoraRtmChannelClient } from './channel';
/**
 * Abstract class for the Agora Real-Time Messaging Client.
 */
export declare abstract class AgoraRtmClient {
    /**
     * Gets the session ID.
     */
    abstract get sessionId(): string;
    /**
     * Gets the version of the Agora RTM SDK.
     */
    abstract get version(): string;
    /**
     * Logs in to the Agora RTM system.
     * @param token The token for authentication.
     * @returns A promise that resolves when the login is successful.
     */
    abstract login(token: string): Promise<number>;
    /**
     * Logs out of the Agora RTM system.
     * @returns A promise that resolves when the logout is successful.
     */
    abstract logout(): Promise<number>;
    /**
     * Creates a channel client.
     * @param channelId The ID of the channel.
     * @returns The channel client.
     */
    abstract createChannelClient(channelId: string): AgoraRtmChannelClient;
    /**
     * Adds an observer to be notified of RTM client events.
     * @param observer The observer to add.
     */
    abstract addObserver(observer: AgoraRtmClientObserver): void;
    /**
     * Removes an observer from the RTM client.
     * @param observer The observer to remove.
     */
    abstract removeObserver(observer: AgoraRtmClientObserver): void;
    /**
     * Sends a peer message.
     * @param message The message to send.
     * @param guaranteedDelivery Whether the message should be guaranteed to be delivered
     * @param receiverId The ID of the peer to send the message to.
     * @returns A promise that resolves when the message has been sent.
     */
    abstract sendPeerMessage(message: string, guaranteedDelivery: boolean, receiverId: string): Promise<number>;
    /**
     * Renews the user token.
     * @param token The token to renew.
     * @returns A promise that resolves when the token has been renewed.
     */
    abstract renewToken(token: string): Promise<number>;
    /**
     * Sets the parameters for the RTM client.
     * @param parameters The parameters to set.
     */
    abstract setParameters(parameters: string): void;
    /**
     * release rtm client
     */
    abstract release(): void;
}