* configurations.
 * <p>
 * This interface also contains a few methods unrelated to deprecation, but which need to be available to
 * other gradle subprojects.  These methods include:
 * <ul>
 *     <li>{@link #preventUsageMutation()}</li>
 *     <li>{@link #setCanBeDeclared(boolean)}</li>
 *     <li>{@link #isCanBeDeclared()}</li>
 * </ul>

        given:
        buildFile << """
            configurations {
                custom {
                    assert canBeResolved == true
                    preventUsageMutation()
                    canBeResolved = false
                }
            }
        """

        expect:
        fails 'help'

        and:
        assertUsageLockedFailure('custom')
    }

        runActionInHierarchy(conf -> {
            if (!conf.observed) {
                conf.configurationAttributes.freeze();
                conf.outgoing.preventFromFurtherMutation();
                conf.preventUsageMutation();
                conf.observed = true;
            }
        });
    }

    /**
     * Runs the provided action for this configuration and all configurations that it extends from.
     *

    }

    def "locking usage changes prevents #usageName usage changes"() {
        given:
        def conf = conf()
        conf.preventUsageMutation()

        when:
        changeUsage(conf)

        then:
        GradleException t = thrown()