import AudioVideoEventAttributes from './AudioVideoEventAttributes';
import DeviceEventAttributes from './DeviceEventAttributes';
import EventName from './EventName';
import MeetingHistoryState from './MeetingHistoryState';
/**
 * [[EventController]] keeps track of events and notifies audio-video observers.
 * An event describes the success and failure conditions for the meeting session.
 */
export default interface EventController {
    /**
     * Notifies observers of an event.
     */
    publishEvent(name: EventName, attributes?: AudioVideoEventAttributes | DeviceEventAttributes): Promise<void>;
    /**
     * Adds a state to the meeting history stack.
     */
    pushMeetingState(state: MeetingHistoryState): Promise<void>;
}