import { ChangeOfFile } from './change-of-file.backend';
import { BaseClientCompiler } from './base-client-compiler.backend';
export declare class CompilerManager {
    private static _instance;
    static get Instance(): CompilerManager;
    private watchers;
    private currentObservedFolder;
    private clients;
    private asyncEventScenario;
    private inited;
    private filesContentCache;
    get allClients(): {
        get<T = BaseClientCompiler<any>>(clientNameOrClass: string | Function, condition: (c: T) => boolean): BaseClientCompiler<any>[] | T[];
    };
    private constructor();
    syncInit(client: BaseClientCompiler<any>, initalParams: any): Promise<void>;
    asyncInit(client: BaseClientCompiler<any>, initialParams: any): Promise<void>;
    private actionForAsyncEvent;
    addClient(client: BaseClientCompiler<any>): void;
    /**
     * @deprecated
     */
    initScenario(onAsyncFileChange?: (event: ChangeOfFile) => Promise<any>): Promise<void>;
    private preventAlreadyInited;
    private fileShouldBeChecked;
}