import { EventEmitter } from 'eventemitter3';
import type { CallOptions } from './call-options';
import type { ClientOptions } from './client-options';
import { Call } from './call';
import type { InviteEvent } from './messages/call';
type TelnyxRTCEvents = {
    'telnyx.client.ready': () => void;
    'telnyx.client.error': (error: Error) => void;
    'telnyx.call.incoming': (call: Call, msg: InviteEvent) => void;
};
export declare class TelnyxRTC extends EventEmitter<TelnyxRTCEvents> {
    options: ClientOptions;
    call: Call | null;
    sessionId: string | null;
    private connection;
    private loginHandler;
    private keepAliveHandler;
    constructor(opts: ClientOptions);
    /**
     * Initiates a new call.
     * @param options The options for the new call.
     * @example
     * ```typescript
     * import { TelnyxRTC } from '@telnyx/react-native-voice-sdk';
     * const telnyxRTC = new TelnyxRTC({ loginToken: 'your_login_token' });
     * await telnyxRTC.connect();
     * const call = await telnyxRTC.newCall({
     *   destinationNumber: '+1234567890',
     *   callerIdNumber: '+0987654321',
     *   callerIdName: 'My Name',
     *   customHeaders: [{ name: 'X-Custom-Header', value: 'value' }],
     * });
     * console.log('Call initiated:', call);
     *
     * @returns a Promise that resolves to the Call instance.
     * @throws Error if no connection or session ID exists.
     */
    newCall: (options: CallOptions) => Promise<Call>;
    /**
     *
     * @returns A Promise that resolves when the connection is established.
     * @throws Error if the connection already exists or login fails.
     * @example
     * ```typescript
     * import { TelnyxRTC } from '@telnyx/react-native-voice-sdk';
     * const telnyxRTC = new TelnyxRTC({ loginToken: 'your_login_token' });
     * await telnyxRTC.connect();
     * console.log('Connected to Telnyx RTC');
     * ```
     * Connects to the Telnyx RTC service.
     * This method initializes the connection, logs in using the provided options,
     * and sets up the necessary event listeners.
     * It emits a 'telnyx.client.ready' event when the connection is successfully established.
     * If a connection already exists, it logs a warning and does not create a new connection.
     * If the login fails, it logs an error and throws an exception.
     * @see {@link ClientOptions} for the options that can be passed to the constructor.
     */
    connect(): Promise<void>;
    /**
     * Disconnects from the Telnyx RTC service.
     * This method closes the WebSocket connection and removes all event listeners.
     * If no connection exists, it logs a warning.
     * @example
     * ```typescript
     * import { TelnyxRTC } from '@telnyx/react-native-voice-sdk';
     * const telnyxRTC = new TelnyxRTC({ loginToken: 'your_login_token' });
     * await telnyxRTC.connect();
     * // ... use the TelnyxRTC instance ...
     * telnyxRTC.disconnect();
     * console.log('Disconnected from Telnyx RTC');
     * ```
     */
    disconnect(): void;
    get connected(): boolean;
    private onSocketMessage;
    private handleCallInvite;
}
export {};