// Safe type conversions with null handling
Integer value = IntegerConversionUtil.toInteger("123");        // Returns 123
Integer nullValue = IntegerConversionUtil.toInteger(null);     // Returns null
Boolean flag = BooleanConversionUtil.toBoolean("true");        // Returns true
Date date = DateConversionUtil.toDate("2023-12-25", "yyyy-MM-dd");

// Primitive conversions with default values

		<antcall target="install.module">
			<param name="repo.url" value="${maven.release.repo.url}" />
			<param name="module.groupId" value="org/codelibs/opensearch/module" />
			<param name="module.name.prefix" value="" />
			<param name="module.name" value="analysis-common" />
			<param name="module.version" value="${opensearch.version}" />
			<param name="module.zip.version" value="${opensearch.version}" />
		</antcall>
		<!-- geo -->

        }

        waitForYellowStatus(fessConfig);

        indexConfigList.forEach(configName -> {
            final String[] values = configName.split("/");
            if (values.length == 2) {
                final String configIndex = values[0];
                final String configType = values[1];

                final boolean isFessIndex = DOC_INDEX.equals(configIndex);
                final String indexName;

<?xml version="1.0" encoding="UTF-8"?>
<project name="dbflute" basedir=".">
	<property name="mydbflute.dir" value="${basedir}/mydbflute" />
	<property name="target.dir" value="${basedir}/target" />
	<property name="branch.name" value="fess-15.2" />
	<property name="mydbflute.url" value="https://github.com/lastaflute/lastaflute-example-waterfront/archive/${branch.name}.zip" />

	<target name="mydbflute.check">
		<condition property="mydbflute.exists">

		<antcall target="install.plugin">
			<param name="repo.url" value="${maven.release.repo.url}" />
			<param name="plugin.groupId" value="org/codelibs/opensearch" />
			<param name="plugin.name.prefix" value="opensearch-" />
			<param name="plugin.name" value="analysis-extension" />
			<param name="plugin.version" value="3.2.0" />
			<param name="plugin.zip.version" value="3.2.0" />
		</antcall>
		<!-- analysis-fess -->

            return defaultLang;
        }

        return normalizeLang(value);
    }

    /**
     * Normalizes a language string.
     *
     * @param value The language string to normalize.
     * @return The normalized language string.
     */
    public String normalizeLang(final String value) {
        if (StringUtil.isBlank(value)) {
            return null;
        }

      <activation>
        <property>
          <name>surefire.toolchain.version</name>
          <!-- the value provided by GitHub CI (which maybe we could even change, but supporting "8" seems nice for any users who try pass that value manually) -->
          <value>8</value>
        </property>
      </activation>
      <properties>
        <test.add.opens></test.add.opens>
      </properties>

      <activation>
        <property>
          <name>surefire.toolchain.version</name>
          <!-- the value provided by GitHub CI (which maybe we could even change, but supporting "8" seems nice for any users who try pass that value manually) -->
          <value>8</value>
        </property>
      </activation>
      <properties>
        <test.add.opens></test.add.opens>
      </properties>

When writing request headers, use `header(name, value)` to set the only occurrence of `name` to `value`. If there are existing values, they will be removed before the new value is added. Use `addHeader(name, value)` to add a header without removing the headers already present.

  private int bufferSize;

  /**
   * The largest of the lowest k elements we've seen so far relative to this comparator. If
   * bufferSize ≥ k, then we can ignore any elements greater than this value.
   */
  private @Nullable T threshold;

  @SuppressWarnings("unchecked") // TODO(cpovirk): Consider storing Object[] instead of T[].
  private TopKSelector(Comparator<? super T> comparator, int k) {