SharedResource forService(BuildServiceProvider<?, ?> service);

    @Nullable
    BuildServiceRegistration<?, ?> findByName(String name);

    @Nullable
    BuildServiceRegistration<?, ?> findByType(Class<?> type);

    @Nullable
    BuildServiceRegistration<?, ?> findRegistration(Class<?> type, String name);

    Set<BuildServiceRegistration<?, ?>> findRegistrations(Class<?> type, String name);

import org.gradle.api.internal.provider.ProviderInternal;
import org.gradle.api.services.BuildService;
import org.gradle.api.services.BuildServiceParameters;
import org.gradle.api.services.BuildServiceRegistration;
import org.gradle.api.services.BuildServiceRegistry;
import org.gradle.internal.Cast;
import org.gradle.internal.service.ServiceRegistry;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

 *
 * @since 6.1
 */
public interface BuildServiceRegistry {
    /**
     * Returns the set of service registrations.
     */
    NamedDomainObjectSet<BuildServiceRegistration<?, ?>> getRegistrations();

    /**
     * Registers a service, if a service with the given name is not already registered. The service is not created until required, when the returned {@link Provider} is queried.
     *