assertThat(directedGraph.outDegree(node)).isSameInstanceAs(transpose.inDegree(node));
    }

    assertThat(transpose.successors(N1)).doesNotContain(N2);
    directedGraph.putEdge(N2, N1);
    // View should be updated.
    assertThat(transpose.successors(N1)).contains(N2);
    AbstractGraphTest.validateGraph(transpose);
  }

  @Test
  public void transpose_undirectedValueGraph() {

package cmd

import (
	"context"
	"fmt"
	"strconv"
	"strings"
)

// markerTagVersion is the marker version.
// Should not need to be updated unless a fundamental change is made to the marker format.
const markerTagVersion = "v2"

// parseMarker will parse a marker possibly encoded with encodeMarker
func (o *listPathOptions) parseMarker() {
	s := o.Marker

		err := cmd.Run()
		if err == nil {
			os.Exit(0)
		}
		return err
	}

	// Use the original binary location. This works with symlinks such that if
	// the file it points to has been changed we will use the updated symlink.
	argv0, err := exec.LookPath(os.Args[0])
	if err != nil {
		return err
	}

	// Invokes the execve system call.
	// Re-uses the same pid. This preserves the pid over multiple server-respawns.

     * <ul>
     *   <li>Version management information (if the version was managed from a different version)</li>
     *   <li>Scope management information (if the scope was managed from a different scope)</li>
     *   <li>Scope updates (if the scope was changed during resolution)</li>
     *   <li>Conflict resolution information (if the dependency was omitted due to conflicts or duplicates)</li>
     * </ul>
     *

  object : ThreadLocal<DateFormat>() {
    override fun initialValue(): DateFormat {
      // Date format specified by RFC 7231 section 7.1.1.1.
      return SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss 'GMT'", Locale.US).apply {
        isLenient = false
        timeZone = UTC
      }
    }
  }

/** If we fail to parse a date in a non-standard format, try each of these formats in sequence. */

        buffer.append("{enabled=");
        buffer.append(enabled);
        buffer.append(", checksums=");
        buffer.append(checksumPolicy);
        buffer.append(", updates=");
        buffer.append(updatePolicy);
        buffer.append('}');
        return buffer.toString();
    }

    public void merge(ArtifactRepositoryPolicy policy) {

	}

	// List all the file commit ids from parts metadata.
	modTimes := listObjectModtimes(partsMetadata, errs)

	// Count all latest updated FileInfo values
	var count int
	var latestFileInfo FileInfo

	// Reduce list of UUIDs to a single common value - i.e. the last updated Time
	modTime := commonTime(modTimes, expectedRQuorum)

	if modTime.IsZero() || modTime.Equal(timeSentinel) {
		return FileInfo{}, errErasureReadQuorum

            }
            queryMap.remove("labels.facet_filetype_others");
            queryMap.put("labels.facet_filetype_others", "filetype:others");
            if (logger.isDebugEnabled()) {
                logger.debug("updated query map: {}", queryMap);
            }
        }

        final FacetInfo facetInfo = ComponentUtil.getComponent("facetInfo");
        queryMap.values().stream().distinct().forEach(facetInfo::addQuery);
    }

 * indicates the last time the Sitemap file was modified.  The {@code lastmod} attribute is used by crawlers
 * to incrementally fetch sitemaps that have been updated since a certain date.
 * </p>
 *
 * <p>
 * This class also provides implementations for {@code equals}, {@code hashCode}, and {@code toString} methods
 * to facilitate object comparison and representation.
 * </p>
 *
 */

Some requests will have a cached response. When this cached response isn’t fresh, OkHttp can do a _conditional GET_ to download an updated response if it’s newer than what’s cached. This requires headers like `If-Modified-Since` and `If-None-Match` to be added.

## Rewriting Responses