import Intl, { Messages } from 'intl-ts';
import { Database, ModelList } from '../database';
/**
 * The server application must have all these data.
 * **Be aware that all these data may not be fully initialized when plugin constructor is called**, but must
 * be at the time the {@link GecoPlugin#ready()} method is called.
 */
export default interface ServerApp<M extends Messages = Messages> {
    readonly serverLang: Intl<M>;
    readonly clientLang: Intl<M>;
    readonly config: unknown;
    readonly database: Database<ModelList>;
}
/**
 * Check (type guard) if all given models are in database.
 *
 * @param database - The database to check.
 * @param models - The names of expected models.
 * @returns True or faulse, depending on result check.
 */
export declare function databaseHasModels<T extends ModelList>(database: Database<ModelList>, ...models: Array<keyof T>): database is Database<T>;