* @param registrationPoint the place that the listener was registered - used in the operation description / details
     * @param listener the listener
     */
    <T> T decorate(String registrationPoint, Class<T> cls, T listener);

    /**
     * Decorates a listener of unknown type.
     * <p>
     * @param registrationPoint the place that the listener was registered - used in the operation description / details

        ComponentTypeRegistration registration = componentRegistrations.get(componentType);
        if (registration == null) {
            throw new IllegalArgumentException(String.format("Not a registered component type: %s.", componentType.getName()));
        }
        return registration;
    }

    private static class DefaultComponentTypeRegistration implements ComponentTypeRegistration {

        e.message == "Cannot add extension with name 'foo', as there is an extension already registered with that name."

        when:
        container.foo = 'other'

        then:
        IllegalArgumentException e2 = thrown()
        e2.message == "There's an extension registered with name 'foo'. You should not reassign it via a property setter."

        when:

        this.strict = false;
        return this;
    }

    /**
     * Providing a scope makes the resulting {@link ServiceRegistry}
     * validate all registered services for being annotated with the given scope.
     * <p>
     * All registered services require the {@link org.gradle.internal.service.scopes.ServiceScope @ServiceScope}
     * annotation to be present and contain the given scope.
     *
     * @see #scope(Class)

        )
    }

    private
    fun withPluginSourceFile(fileName: String, text: String) {
        withFile("plugins/src/main/kotlin/$fileName", text)
    }

    @Test
    fun `can access extension registered by included build plugin`() {
        // when:
        val result = build("ok")

        // then:
        result.assertOutputContains("It's 42!")

        // when: plugin changes in an incompatible way

        return this;
    }

    /**
     * The registered signatures.
     */
    public List<Signature> getSignatures() {
        return new ArrayList<Signature>(signatures);
    }

    /**
     * Returns the single registered signature.
     *
     * @return The signature.
     * @throws IllegalStateException if there is not exactly one registered signature.
     */

        return String.format(
            "The service implementation '%s' is registered in the '%s' scope but does not declare it explicitly.\n" +
                "The implementation appears to serve %s.\n" +
                "Try the following:\n" +

	}
}

// NewWatchingConfigMapManager creates a manager that keeps a cache of all configmaps
// necessary for registered pods.
// It implements the following logic:
//   - whenever a pod is created or updated, we start individual watches for all
//     referenced objects that aren't referenced from other registered pods
//   - every GetObject() returns a value from local cache propagated via watches

	}
}

// NewWatchingSecretManager creates a manager that keeps a cache of all secrets
// necessary for registered pods.
// It implements the following logic:
//   - whenever a pod is created or updated, we start individual watches for all
//     referenced objects that aren't referenced from other registered pods
//   - every GetObject() returns a value from local cache propagated via watches

    /**
     * Returns the list of custom {@link ResolutionFailureDescriber}s registered on this schema for the given failure type.
     *
     * @param failureType The type of failure to describe
     * @param <FAILURE> The type of failure to describe
     * @return The list of custom describers registered on this schema for the given failure type
     */