import Koa from 'koa';
import { API, APISource } from './api';
import { ActionStorage, IDBAdapter, IPowerApp, IStorageTypes, Model, PowerAppOptions, PowerAppVersion, PowerAppVersionInfo, ServeOptions, StorageObject } from './core';
export interface MatchContextsOptions<TModel extends Model = Model> {
    storage: TModel['storage'];
}
export interface MatchContextsResult<TModel extends Model = Model> {
    storage: ActionStorage<TModel>;
    api: API;
}
export declare class PowerApp implements IPowerApp {
    private options;
    definitions: PowerAppVersionInfo[];
    dbAdapter: IDBAdapter;
    constructor(options?: PowerAppOptions);
    getAPI(source?: APISource): API;
    generateAPI(storage: StorageObject<any>): Promise<API>;
    version<TStorageTypes extends IStorageTypes = IStorageTypes>(range: string, definition: PowerAppVersion.Definition<TStorageTypes>): void;
    serve(options?: ServeOptions): void;
    koa(path: ServeOptions['path']): Koa.Middleware;
    express(): void;
    hapi(): void;
    getContextIterable<TModel extends Model>(type: TModel['type'], { storage }: MatchContextsOptions<TModel>): AsyncGenerator<MatchContextsResult<TModel>>;
    getContexts<TModel extends Model>(type: TModel['type'], options: MatchContextsOptions<TModel>): Promise<MatchContextsResult<TModel>[]>;
    private initialize;
    private buildServeAdapter;
    private checkVersionsQualified;
    private handleInstallation;
    private handlePermission;
    private handlePowerItemChange;
    private handlePowerNodeChange;
    private handlePowerGlanceChange;
    private handlePowerCustomCheckableItemChange;
}