import { type ActivityConstructor, type AnyActivity } from '@t4h.framework/core';
export declare class ActivityRegistryService {
    private readonly activities;
    constructor();
    add(Activity: ActivityConstructor<AnyActivity>): void;
    entries(): Iterable<[string, ActivityConstructor<AnyActivity>]>;
    getActivityConstructor(name: string): ActivityConstructor<AnyActivity>;
}