/**
 * Creates a proxy for a singleton class that delays method access until the instance is initialized.
 * @param cls - A class with a static `getInstance` method that returns a promise resolving to the class instance.
 * @returns A proxy object that intercepts method calls and ensures the instance is initialized before invoking them.
 */
export declare function AsyncSingletonProxy<T extends object>(cls: {
    getInstance: () => Promise<T>;
}): T;