export declare type ConstructorGS<T> = new (...args: any[]) => T;
export declare type InjectionTokenGS<T = unknown> = ConstructorGS<T> | string | symbol;
/** Common application root with one-time lifecycle and lightweight DI. */
export declare abstract class App {
    private readonly _instances;
    private readonly _factories;
    private _startPromise?;
    buildId: string;
    appRootSelector: string;
    /** Synchronous one-time application configuration phase. */
    protected initializeCore(): void;
    protected abstract startCore(): Promise<void>;
    /** Current application in the browser or request scope. */
    static get Inst(): App;
    start(): Promise<void>;
    private startInternal;
    addInst<T>(token: InjectionTokenGS<T>, instance: T): void;
    getInst<T>(token: InjectionTokenGS<T>): T;
    tryGetInst<T>(token: InjectionTokenGS<T>): T | undefined;
    newInst<T>(constructor: ConstructorGS<T>, ...args: any[]): T;
    regFactory<T>(constructor: ConstructorGS<T>, factory: (...args: any[]) => T): void;
    private static tokenName;
}