* a POJO.
   *
   * @param input The future to transform
   * @param function A Function to transform the results of the provided future to the results of
   *     the returned future.
   * @param executor Executor to run the function in.
   * @return A future that holds result of the transformation.
   * @since 9.0 (in 2.0 as {@code compose})
   */

/**
 * Form class for deleting documents from search results in the admin interface.
 * Contains query and document ID fields for targeted document deletion.
 */
public class DeleteForm {

    /**
     * Creates a new instance of DeleteForm.
     * This constructor initializes the form for deleting documents from search results
     * in the admin interface with validation rules for query and document identification.

    /** Search query parameter that caused the error */
    public String q;

    /** URL parameter associated with the error */
    public String url;

    /** Number of results parameter */
    public String num;

    /** Sort order parameter for search results */
    public String sort;

    /** Language parameter for search interface */
    public String lang;

    /**
     * Default constructor for ErrorForm.
     */

            });
            threads[i].start();
        }

        for (Thread thread : threads) {
            thread.join();
        }

        for (boolean result : results) {
            assertTrue(result);
        }
    }

    /**
     * Test implementation of ThumbnailGenerator interface
     */
    private static class TestThumbnailGenerator implements ThumbnailGenerator {

        // Wait for all threads to complete
        for (Thread thread : threads) {
            thread.join();
        }

        // All results should be the same
        String expectedValue = "Test Fess";
        for (String result : results) {
            assertEquals(expectedValue, result);
        }
    }

    // Test with non-existent config
    public void test_initialize_invalidConfigFile() {

        if (!attrList.isEmpty()) {
            consumer.accept(attrList.get(0));
        }
    }

    /**
     * Gets a list of attribute values from search results.
     *
     * @param result the list of search results
     * @param name the attribute name
     * @return a list of attribute values
     */

    List<Callable<String>> callables = ImmutableList.of(Callables.returning("x"));
    List<Future<String>> results;

    results = service.invokeAll(callables);
    assertThat(getOnlyElement(results)).isInstanceOf(TrustedListenableFutureTask.class);

    results = service.invokeAll(callables, 1, SECONDS);
    assertThat(getOnlyElement(results)).isInstanceOf(TrustedListenableFutureTask.class);

    /*

     *
     * <p>This method performs a paginated search through all duplicate host configurations,
     * applying any search filters specified in the pager. The results are sorted
     * by sort order, creation time, regular name, and duplicate hostname.</p>
     *
     * @param duplicateHostPager the pager containing search criteria and pagination settings

import jakarta.validation.constraints.Size;

/**
 * Form class for creating new elevate word configuration entries.
 * This form handles the creation of elevate word rules that boost
 * specific documents in search results when certain keywords are matched.
 */
public class CreateForm {

    /**
     * Creates a new CreateForm instance.
     */
    public CreateForm() {
        // Default constructor
    }

 * This form is used in the admin interface to upload elevate word configuration files.
 */
public class UploadForm {

    /**
     * The multipart file containing the elevate word configurations to be uploaded.
     * This file should contain definitions for words or documents that should be elevated in search results.
     */
    @Required