then:
        selector.group == ""
        selector.module == "gradle-core"
        selector.version == ""
        selector.versionConstraint.preferredVersion == ""
    }

    def "test create from module dependency"() {
        when:
        def configuration = withArtifacts ? null : TEST_DEP_CONF

    public DefaultMinimalDependency(ModuleIdentifier module, MutableVersionConstraint versionConstraint) {
        super(module, versionConstraint, null);
    }

    @Override
    public void because(String reason) {
        validateMutation();
    }

    @Override
    protected void validateMutation() {

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.internal.impl;

import org.apache.maven.api.Version;
import org.apache.maven.api.VersionConstraint;
import org.apache.maven.api.VersionRange;
import org.apache.maven.api.di.Inject;
import org.apache.maven.api.di.Named;
import org.apache.maven.api.di.Singleton;
import org.apache.maven.api.services.VersionParser;

            if (forcedModules.containsKey(key)) {
                DefaultImmutableVersionConstraint versionConstraint = new DefaultImmutableVersionConstraint(forcedModules.get(key));
                details.useTarget(newSelector(key, versionConstraint, selector.getAttributes(), selector.getRequestedCapabilities()), ComponentSelectionReasons.FORCED);

            }
        }
    }

import org.gradle.api.artifacts.ArtifactSelectionDetails;
import org.gradle.api.artifacts.DependencyResolveDetails;
import org.gradle.api.artifacts.ModuleVersionSelector;
import org.gradle.api.artifacts.VersionConstraint;
import org.gradle.api.artifacts.component.ModuleComponentSelector;
import org.gradle.api.internal.artifacts.DefaultModuleIdentifier;
import org.gradle.api.internal.artifacts.DefaultModuleVersionSelector;

import org.eclipse.aether.util.version.GenericVersionScheme;
import org.eclipse.aether.version.InvalidVersionSpecificationException;
import org.eclipse.aether.version.Version;
import org.eclipse.aether.version.VersionConstraint;
import org.eclipse.aether.version.VersionRange;
import org.eclipse.aether.version.VersionScheme;

/**
 * Default version scheme provider: provides singleton {@link GenericVersionScheme} instance.
 */
@Singleton

        super(assertModuleId(group, name), version, configuration);
    }

    public DefaultExternalModuleDependency(ModuleIdentifier id, MutableVersionConstraint versionConstraint, @Nullable String configuration) {
        super(id, versionConstraint, configuration);
    }

    @Override
    public ExternalModuleDependency copy() {

    private final ModuleIdentifier module;
    private final String version;

    private DefaultModuleVersionSelector(ModuleIdentifier module, String versionConstraint) {
        this.module = module;
        this.version = versionConstraint;
    }

    // DO NOT USE THIS CONSTRUCTOR DIRECTLY
    // It's only there for backwards compatibility with the Nebula plugin

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.gradle.internal.component.external.model;

import org.gradle.api.artifacts.VersionConstraint;
import org.gradle.api.artifacts.component.ComponentSelector;
import org.gradle.api.artifacts.component.ModuleComponentSelector;
import org.gradle.internal.component.local.model.DefaultProjectDependencyMetadata;

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.api.services.model;

import org.apache.maven.api.Version;
import org.apache.maven.api.VersionConstraint;
import org.apache.maven.api.VersionRange;
import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.services.VersionParserException;

/**