if (StringUtil.isBlank(input)) {
            return input;
        }
        return ComponentUtil.getDocumentHelper().encodeSimilarDocHash(input);
    }

    /**
     * Joins array or list elements into a single space-separated string.
     *
     * @param input the input object (String[], List, or String)
     * @return joined string with elements separated by spaces, or empty string if invalid input

        assertEquals("arg1", pythonJob.argList.get(0));
        assertEquals("arg2", pythonJob.argList.get(1));
        assertEquals("arg3", pythonJob.argList.get(2));
    }

    // Test args with empty array
    @Test
    public void test_args_empty() {
        PythonJob result = pythonJob.args();

        assertSame(pythonJob, result);
        assertTrue(pythonJob.argList.isEmpty());
    }

     */
    protected boolean isRagChatEnabled() {
        return ComponentUtil.getFessConfig().isRagChatEnabled();
    }

    /**
     * Gets all registered LLM clients.
     *
     * @return Array of all registered LLM clients
     */
    public LlmClient[] getClients() {
        return clientList.toArray(new LlmClient[clientList.size()]);
    }

    /**
     * Registers an LLM client with this manager.

    }

    @Override
    @SuppressWarnings("nullness") // b/192354773 in our checker affects toArray declarations
    public <T extends @Nullable Object> T[] toArray(T[] array) {
      return standardToArray(array);
    }
  }

  /** The implementation of {@link Maps#unmodifiableEntrySet(Set)}. */
  private static final class UnmodifiableEntrySet<

    }

    @Override
    @SuppressWarnings("nullness") // b/192354773 in our checker affects toArray declarations
    public <T extends @Nullable Object> T[] toArray(T[] array) {
      return standardToArray(array);
    }
  }

  /** The implementation of {@link Maps#unmodifiableEntrySet(Set)}. */
  private static final class UnmodifiableEntrySet<

 * the License.
 */

package com.google.common.base;

import static com.google.common.base.Preconditions.checkNotNull;
import static java.util.Arrays.asList;
import static java.util.Collections.unmodifiableList;
import static java.util.Objects.requireNonNull;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;

        // Should not throw exception with invalid package
        protocolHelper.loadProtocols("org.invalid.package.does.not.exist");

        // Should have empty arrays initially
        assertEquals(0, protocolHelper.getWebProtocols().length);
        assertEquals(0, protocolHelper.getFileProtocols().length);
    }

    @Test
    public void test_loadProtocols_emptyPackage() {

        assertFalse(searchRequestParams.hasConditionQuery());
    }

    @Test
    public void test_hasConditionQuery_withEmptyArray() {
        // Test with empty array
        testParams.conditions.put(SearchRequestParams.AS_Q, new String[] {});
        assertFalse(searchRequestParams.hasConditionQuery());
    }

    // Test for isEmptyArray method
    @Test

            baos.write(channel.getRemoteInterface().getAddress().getAddress());
            baos.write(ByteBuffer.allocate(8).putLong(System.currentTimeMillis()).array());
        } catch (IOException e) {
            // Should not happen with ByteArrayOutputStream
            log.error("Error creating binding info", e);
        }

        return baos.toByteArray();
    }

  }

  companion object {
    @JvmField
    val NONE: EventListener =
      object : EventListener() {
      }
  }

  private class AggregateEventListener(
    val eventListeners: Array<EventListener>,
  ) : EventListener() {
    override fun callStart(call: Call) {
      for (delegate in eventListeners) {
        delegate.callStart(call)
      }
    }