import { TurnContext, TurnState } from '@microsoft/agents-hosting';
import { TeamsApplication } from '../teamsApplication';
import { MeetingParticipantsEventDetails } from '../../meeting/meetingParticipantsEventDetails';
import { MeetingEndEventDetails } from '../../meeting/meetingEndEventDetails';
import { MeetingStartEventDetails } from '../../meeting/meetingStartEventDetails';
/**
 * Handles Teams meeting-related events in applications.
 * Provides methods for registering handlers for meeting start, end, and participant changes.
 * @template TState Type extending TurnState to be used by the application
 */
export declare class Meetings<TState extends TurnState> {
    private readonly _app;
    /**
     * Creates a new Meetings instance.
     * @param app The TeamsApplication instance to associate with this Meetings instance
     */
    constructor(app: TeamsApplication<TState>);
    /**
     * Registers a handler for meeting start events.
     * This event occurs when a Teams meeting begins.
     *
     * @param handler Function to handle the meeting start event
     * @returns The TeamsApplication instance for chaining
     */
    start(handler: (context: TurnContext, state: TState, meeting: MeetingStartEventDetails) => Promise<void>): TeamsApplication<TState>;
    /**
     * Registers a handler for meeting end events.
     * This event occurs when a Teams meeting ends.
     *
     * @param handler Function to handle the meeting end event
     * @returns The TeamsApplication instance for chaining
     */
    end(handler: (context: TurnContext, state: TState, meeting: MeetingEndEventDetails) => Promise<void>): TeamsApplication<TState>;
    /**
     * Registers a handler for participant join events.
     * This event occurs when participants join a Teams meeting.
     *
     * @param handler Function to handle the participants join event
     * @returns The TeamsApplication instance for chaining
     */
    participantsJoin(handler: (context: TurnContext, state: TState, meeting: MeetingParticipantsEventDetails) => Promise<void>): TeamsApplication<TState>;
    /**
     * Registers a handler for participant leave events.
     * This event occurs when participants leave a Teams meeting.
     *
     * @param handler Function to handle the participants leave event
     * @returns The TeamsApplication instance for chaining
     */
    participantsLeave(handler: (context: TurnContext, state: TState, meeting: MeetingParticipantsEventDetails) => Promise<void>): TeamsApplication<TState>;
}