if (INSTANCE != null) {
            throw new CIFSException("Singleton context is already initialized");
        }
        final Properties p = new Properties();
        try {
            final String filename = System.getProperty("jcifs.properties");
            if (filename != null && filename.length() > 1) {

        fessConfig.setLdapMemberofAttribute(form.ldapMemberofAttribute != null ? form.ldapMemberofAttribute : StringUtil.EMPTY);
        fessConfig.setLdapSecurityAuthentication(
                form.ldapSecurityAuthentication != null ? form.ldapSecurityAuthentication : StringUtil.EMPTY);
        fessConfig.setLdapInitialContextFactory(form.ldapInitialContextFactory != null ? form.ldapInitialContextFactory : StringUtil.EMPTY);

   */
  protected Entry<K, V>[] createArrayWithNullValue() {
    Entry<K, V>[] array = createSamplesArray();
    int nullValueLocation = getNullLocation();
    Entry<K, V> oldEntry = array[nullValueLocation];
    array[nullValueLocation] = mapEntry(oldEntry.getKey(), null);
    return array;
  }

  /**

        existNextPage = false;
        pageSize = getDefaultPageSize();
        currentPageNumber = getDefaultCurrentPageNumber();

        id = null;
        suggestWord = null;
        createdBy = null;
        createdTime = null;
        versionNo = null;

    }

    /**
     * Gets the default current page number.
     * @return The default current page number.
     */

        ArtifactRepository r = repositorySystem.createArtifactRepository(
                "local", "file://" + getLocalRepositoryPath().getAbsolutePath(), repoLayout, null, null);

        return r;
    }

    // ----------------------------------------------------------------------
    // Project building
    // ----------------------------------------------------------------------

    }

    // ===== Null-Safety Tests =====

    /**
     * Test that evaluate returns null for null template
     */
    @Test
    public void test_evaluate_nullTemplate() {
        final Map<String, Object> params = new HashMap<>();
        params.put("test", "value");
        assertNull(groovyEngine.evaluate(null, params));
    }

    /**

     * it returns a subclass of Joiner that overrides this method to tolerate null inputs.
     *
     * Unfortunately, we don't distinguish between these two cases in our public API: Joiner.on(...)
     * and Joiner.on(...).useForNull(...) both declare the same return type: plain Joiner. To ensure
     * that users *can* pass null arguments to Joiner, we annotate it as if it always tolerates null
     * inputs, rather than as if it never tolerates them.
     *

+ [Contributor License Agreement][cla]
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    @Override
    public ToolchainsBuildingResult build(ToolchainsBuildingRequest request) throws ToolchainsBuildingException {
        ProblemCollector problems = ProblemCollectorFactory.newInstance(null);

        PersistedToolchains globalToolchains = readToolchains(request.getGlobalToolchainsSource(), request, problems);

You can also review already merged translation PRs. To do this, go to the [closed pull requests](https://github.com/fastapi/fastapi/pulls?q=is%3Apr+is%3Aclosed) and filter by your language label. For example, for Spanish, you can use [`lang-es`](https://github.com/fastapi/fastapi/pulls?q=is%3Apr+is%3Aclosed+label%3Alang-es).