val key = key(request.url)
    val snapshot: DiskLruCache.Snapshot =
      try {
        cache[key] ?: return null
      } catch (_: IOException) {
        return null // Give up because the cache cannot be read.
      }

    val entry: Entry =
      try {
        Entry(snapshot.getSource(ENTRY_METADATA))
      } catch (_: IOException) {
        snapshot.closeQuietly()
        return null
      }

   * a view of the multiset whose elements are of this class. A multiset implementation may return
   * Entry instances that are either live "read-through" views to the Multiset, or immutable
   * snapshots. Note that this type is unrelated to the similarly-named type {@code Map.Entry}.
   *
   * @since 2.0
   */
  interface Entry<E extends @Nullable Object> {

    /**

     *     <li>"s" - contextual snapshot filter</li>
     *     <li>"e(G:A:V)" - predicate filter (leaves out G:A:V from range, if hit, V can be range)</li>
     * </ul>
     * Example filter expression: {@code "h(5);s;e(org.foo:bar:1)} will cause: ranges are filtered for "top 5" (instead
     * full range), snapshots are banned if root project is not a snapshot, and if range for {@code org.foo:bar} is

crawler.ignore.content.exception=true
crawler.failure.url.status.codes=404
crawler.system.monitor.interval=60
crawler.hotthread.ignore_idle_threads=true
crawler.hotthread.interval=500ms
crawler.hotthread.snapshots=10
crawler.hotthread.threads=3
crawler.hotthread.timeout=30s
crawler.hotthread.type=cpu
crawler.metadata.content.excludes=resourceName,X-Parsed-By,Content-Encoding.*,Content-Type.*,X-TIKA.*

          <association>
            <type>RepositoryPolicy</type>
          </association>
        </field>
        <field>
          <name>snapshots</name>
          <version>4.0.0+</version>
          <description>How to handle downloading of snapshots from this repository.</description>
          <association>
            <type>RepositoryPolicy</type>
          </association>
        </field>

RepositoryMetadataSt(String); public void RepositoryMetadataSt(String, Exception); } org/apache/maven/artifact/repository/metadata/Snapshot.class package org.apache.maven.artifact.repository.metadata; public synchronized class Snapshot implements java.io.Serializable { private String timestamp; private int buildNumber; private boolean localCopy; private String modelEncoding; public void Snapshot(); public int getBuildNumber(); public String getTimestamp(); public boolean isLocalCopy(); public void setBuildNumber(int);...

RepositoryMetadataSt(String); public void RepositoryMetadataSt(String, Exception); } org/apache/maven/artifact/repository/metadata/Snapshot.class package org.apache.maven.artifact.repository.metadata; public synchronized class Snapshot implements java.io.Serializable { private String timestamp; private int buildNumber; private boolean localCopy; private String modelEncoding; public void Snapshot(); public int getBuildNumber(); public String getTimestamp(); public boolean isLocalCopy(); public void setBuildNumber(int);...

    /** The key of the configuration. e.g. 500ms */
    String CRAWLER_HOTTHREAD_INTERVAL = "crawler.hotthread.interval";

    /** The key of the configuration. e.g. 10 */
    String CRAWLER_HOTTHREAD_SNAPSHOTS = "crawler.hotthread.snapshots";

    /** The key of the configuration. e.g. 3 */
    String CRAWLER_HOTTHREAD_THREADS = "crawler.hotthread.threads";

    /** The key of the configuration. e.g. 30s */

    </dependency>
    <dependency>
      <groupId>snapshot-test</groupId>
      <artifactId>maven-snapshot-b</artifactId>
      <version>1.0-SNAPSHOT</version>
      <type>jar</type>
      <scope>compile</scope>
    </dependency>
    <dependency>
      <groupId>snapshot-test</groupId>
      <artifactId>maven-snapshot-c</artifactId>
      <version>1.0-SNAPSHOT</version>
      <type>jar</type>
      <scope>compile</scope>

    </dependency>
    <dependency>
      <groupId>snapshot-test</groupId>
      <artifactId>maven-snapshot-b</artifactId>
      <version>1.0-SNAPSHOT</version>
      <type>jar</type>
      <scope>compile</scope>
    </dependency>
    <dependency>
      <groupId>snapshot-test</groupId>
      <artifactId>maven-snapshot-c</artifactId>
      <version>1.0-SNAPSHOT</version>
      <type>jar</type>
      <scope>compile</scope>