/**
   * The HTTP <a href="https://wicg.github.io/ua-client-hints/#sec-ch-ua-mobile">{@code
   * Sec-CH-UA-Mobile}</a> header field name.
   *
   * @since 30.0
   */
  public static final String SEC_CH_UA_MOBILE = "Sec-CH-UA-Mobile";
  /**
   * The HTTP <a href="https://wicg.github.io/ua-client-hints/#sec-ch-ua-wow64">{@code
   * Sec-CH-UA-WoW64}</a> header field name.

   */
  public static final MediaType MBOX = createConstant(APPLICATION_TYPE, "mbox");

  /**
   * <a href="http://goo.gl/1pGBFm">Apple over-the-air mobile configuration profiles</a>.
   *
   * @since 18.0
   */
  public static final MediaType APPLE_MOBILE_CONFIG =
      createConstant(APPLICATION_TYPE, "x-apple-aspen-config");

  /** <a href="http://goo.gl/XDQ1h2">Microsoft Excel</a> spreadsheets. */

          "module": "jsr305",
          "version": {
            "requires": "${jsr305.version}"
          }
        },
        {
          "group": "org.checkerframework",
          "module": "checker-qual",
          "version": {
            "requires": "${checker.version}"
          }
        },
        {
          "group": "com.google.errorprone",
          "module": "error_prone_annotations",

        <executions>
          <execution>
            <id>attach-gradle-module-metadata</id>
            <goals>
              <goal>attach-artifact</goal>
            </goals>
            <configuration>
              <artifacts>
                <artifact>
                  <file>target/publish/module.json</file>
                  <type>module</type>
                </artifact>
              </artifacts>

  </developers>
  <ciManagement>
    <system>GitHub Actions</system>
    <url>https://github.com/google/guava/actions</url>
  </ciManagement>
  <modules>
    <module>guava</module>
    <module>guava-bom</module>
    <module>guava-testlib</module>
    <module>guava-tests</module>
  </modules>
  <build>
    <!-- Handle where Guava deviates from Maven defaults -->
    <sourceDirectory>src</sourceDirectory>

<module>
<source path="">
  <!-- Hack to keep collect from hiding collect.testing supersource: -->
  <exclude name="**/testing/**"/>
</source>

<!--
    We used to set this only for packages that had manual supersource. That
    worked everywhere that I know of except for one place: when running the GWT
    util.concurrent tests under Guava.

    The problem is that GWT responds poorly to two .gwt.xml files in the same

<module>
<source path="">
  <!-- Hack to keep collect from hiding collect.testing supersource: -->
  <exclude name="**/testing/**"/>
</source>

<!--
    We used to set this only for packages that had manual supersource. That
    worked everywhere that I know of except for one place: when running the GWT
    util.concurrent tests under Guava.

    The problem is that GWT responds poorly to two .gwt.xml files in the same

<module>
<source path="">
  <!-- Hack to keep collect from hiding collect.testing supersource: -->
  <exclude name="**/testing/**"/>
</source>

<!--
    We used to set this only for packages that had manual supersource. That
    worked everywhere that I know of except for one place: when running the GWT
    util.concurrent tests under Guava.

    The problem is that GWT responds poorly to two .gwt.xml files in the same

<module>
<source path="">
  <!-- Hack to keep collect from hiding collect.testing supersource: -->
  <exclude name="**/testing/**"/>
</source>

<!--
    We used to set this only for packages that had manual supersource. That
    worked everywhere that I know of except for one place: when running the GWT
    util.concurrent tests under Guava.

    The problem is that GWT responds poorly to two .gwt.xml files in the same

   * properties, including:
   *
   * <ul>
   *   <li>{@code java.vendor.version} (added in Java 11, listed as optional as of Java 13)
   *   <li>{@code jdk.module.*} (added in Java 9, optional)
   * </ul>
   */
  @CheckForNull
  public String value() {
    return System.getProperty(key);
  }

  /** Returns a string representation of this system property. */