export declare class SingletonContainer {
    private static instance;
    private instances;
    private constructor();
    static getInstance(): SingletonContainer;
    get<T>(identifier: new (...args: any[]) => T): T;
    getOrRegister<T>(identifier: new (...args: any[]) => T, ...args: any[]): T;
    register<T>(identifier: new (...args: any[]) => T, ...args: any[]): () => void;
    reset(): void;
}