/// <reference types="node" />
import { EventEmitter } from 'events';
import { IKites } from '../main';
import { ExtensionDefinition, KitesExtension } from './extensions';
export declare class ExtensionsManager extends EventEmitter {
    protected kites: IKites;
    protected availableExtensions: KitesExtension[];
    protected usedExtensions: KitesExtension[];
    constructor(kites: IKites);
    /**
     * Get enabled available extensions
     */
    readonly extensions: KitesExtension[];
    /**
     * Use a kites extension
     * @param extension
     */
    use(extension: KitesExtension | ExtensionDefinition): void;
    useMany(extensions: KitesExtension[]): Promise<void[]>;
    useOne(extension: KitesExtension): Promise<void>;
    /**
     * Initialize extensions manager
     */
    init(): Promise<void[]>;
}