visit(g.getEntry(), visited, g);

        List<MetadataGraphVertex> dropList = new ArrayList<>(g.getVertices().size());

        // collect drop list
        for (MetadataGraphVertex v : g.getVertices()) {
            if (!visited.contains(v)) {
                dropList.add(v);
            }
        }

        if (dropList.size() < 1) {

    }

    private static Map<String, String> toMap(Properties properties) {
        if (properties != null && !properties.isEmpty()) {
            return properties.entrySet().stream()
                    .collect(Collectors.toMap(e -> String.valueOf(e.getKey()), e -> String.valueOf(e.getValue())));

        } else {
            return null;
        }
    }

import static java.util.Arrays.asList;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.collect.Ordering;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import com.google.j2objc.annotations.J2ObjCIncompatible;
import java.lang.ref.WeakReference;
import java.lang.reflect.Constructor;

            return result.getArtifactResults().stream()
                    .filter(ArtifactResult::isResolved)
                    .map(ArtifactResult::getArtifact)
                    .collect(Collectors.toList());
        } catch (PluginResolutionException | InterpolatorException e) {
            throw new ExtensionResolutionException(extension, e);
        }
    }

import com.google.common.base.TestExceptions.SomeOtherCheckedException;
import com.google.common.base.TestExceptions.SomeUncheckedException;
import com.google.common.base.TestExceptions.YetAnotherCheckedException;
import com.google.common.collect.Iterables;
import com.google.common.primitives.Ints;
import com.google.common.testing.NullPointerTester;
import java.util.List;
import junit.framework.TestCase;

/**
 * Unit test for {@link Throwables}.
 *

 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

package com.google.common.collect;

import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import static java.util.Objects.requireNonNull;

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.collect;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

        def jApiMethod = Stub(JApiMethod)
        jApiMethod.name >> implicitMethod
        jApiMethod.jApiClass >> jApiClassifier
        jApiMethod.parameters >> paramTypes.collect { paramStub(it) }

        when:
        sourceFile.text = """
            public enum $TEST_INTERFACE_SIMPLE_NAME {
            }
        """

        then:

            insertAll(targetList.stream()
                    .filter(urlQueue -> StringUtil.isNotBlank(urlQueue.getSessionId()) && StringUtil.isNotBlank(urlQueue.getUrl()))
                    .collect(Collectors.toList()), OpType.CREATE, true);
            if (logger.isDebugEnabled()) {
                logger.debug("Offered URL: Session ID: {}, UrlQueue: {}", sessionId, targetList);
            }
        }
    }

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.base.Ascii;
import com.google.common.base.Strings;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
import com.google.common.testing.EqualsTester;
import com.google.common.testing.NullPointerTester;
import junit.framework.TestCase;

/**