/// <reference types="node" />
import { EventEmitter } from 'events';
import { AuthState } from '../auth/index.js';
import { QualifiedTablename } from '../util/tablename.js';
import { ConnectivityState, DbName } from '../util/types.js';
import { AuthStateCallback, AuthStateNotification, Change, ChangeCallback, ChangeNotification, ChangeOrigin, ConnectivityStateChangeCallback, ConnectivityStateChangeNotification, Notification, NotificationCallback, Notifier, PotentialChangeCallback, PotentialChangeNotification, ShapeSubscriptionSyncStatusChangeCallback, ShapeSubscriptionSyncStatusChangeNotification, UnsubscribeFunction } from './index.js';
import { SyncStatus } from '../client/model/shapes.js';
export declare const EVENT_NAMES: {
    authChange: string;
    actualDataChange: string;
    potentialDataChange: string;
    connectivityStateChange: string;
    shapeSubscriptionStatusChange: string;
};
export declare class EventNotifier implements Notifier {
    dbName: DbName;
    attachedDbIndex: {
        byAlias: {
            [key: string]: DbName;
        };
        byName: {
            [key: DbName]: string;
        };
    };
    events: EventEmitter;
    constructor(dbName: DbName, eventEmitter?: EventEmitter);
    attach(dbName: DbName, dbAlias: string): void;
    detach(dbAlias: string): void;
    alias({ dbName, changes }: ChangeNotification): QualifiedTablename[];
    authStateChanged(authState: AuthState): void;
    subscribeToAuthStateChanges(callback: AuthStateCallback): UnsubscribeFunction;
    potentiallyChanged(): void;
    actuallyChanged(dbName: DbName, changes: Change[], origin: ChangeOrigin): void;
    subscribeToPotentialDataChanges(callback: PotentialChangeCallback): UnsubscribeFunction;
    subscribeToDataChanges(callback: ChangeCallback): UnsubscribeFunction;
    connectivityStateChanged(dbName: string, status: ConnectivityState): void;
    subscribeToConnectivityStateChanges(callback: ConnectivityStateChangeCallback): UnsubscribeFunction;
    shapeSubscriptionSyncStatusChanged(dbName: string, key: string, status: SyncStatus): void;
    subscribeToShapeSubscriptionSyncStatusChanges(callback: ShapeSubscriptionSyncStatusChangeCallback): UnsubscribeFunction;
    _getDbNames(): DbName[];
    _hasDbName(dbName: DbName): boolean;
    _emitAuthStateChange(authState: AuthState): AuthStateNotification;
    _emitPotentialChange(dbName: DbName): PotentialChangeNotification;
    _emitActualChange(dbName: DbName, changes: Change[], origin: ChangeOrigin): ChangeNotification;
    _emitConnectivityStatus(dbName: DbName, connectivityState: ConnectivityState): ConnectivityStateChangeNotification;
    _emitShapeSubscriptionSyncStatusChange(dbName: DbName, key: string, status: SyncStatus): ShapeSubscriptionSyncStatusChangeNotification;
    _emit(eventName: string, notification: Notification): void;
    _subscribe(eventName: string, callback: NotificationCallback): void;
    _unsubscribe(eventName: string, callback: NotificationCallback): void;
}