autoResizeTextarea();
            updateCharCount();
        });

        elements.newChatBtn.on('click', newChat);

        // Filter checkbox change handlers
        $(document).on('change', '.filter-check', function() {
            var checkbox = $(this);
            var filterType = checkbox.data('filter-type');
            var filterValue = checkbox.data('filter-value');

import java.io.Serializable;
import java.util.Map;
import org.jspecify.annotations.NonNull;
import org.jspecify.annotations.Nullable;

/**
 * A {@link ClassToInstanceMap} whose contents will never change, with many other important
 * properties detailed at {@link ImmutableCollection}.
 *
 * @author Kevin Bourrillion
 * @since 2.0
 */
@Immutable(containerOf = "B")
@GwtIncompatible

  /**
   * Verify thread safety by using a collection whose size() may be inconsistent with the actual
   * number of elements and whose elements may change over time.
   *
   * <p>This test might fail in GWT because the GWT emulations might count on the input collection
   * not to change during the copy. It is safe to do so in GWT because javascript is
   * single-threaded.
   */
  @GwtIncompatible // GWT is single threaded

     */
    public void setDeprecated(String deprecated) {
        this.deprecated = deprecated;
    }

    /**
     * @return the list of parameters copy. Any change to returned list is NOT reflected on this instance. To add
     * parameters, use {@link #addParameter(Parameter)} method.
     */
    public List<Parameter> getParameters() {
        return new ArrayList<>(parameters);

import java.util.function.Function;
import java.util.stream.Collector;
import java.util.stream.Collectors;
import org.jspecify.annotations.Nullable;

/**
 * A {@link BiMap} whose contents will never change, with many other important properties detailed
 * at {@link ImmutableCollection}.
 *
 * @author Jared Levy
 * @since 2.0
 */
@GwtCompatible

import java.util.Iterator;
import java.util.Set;
import java.util.SortedSet;
import java.util.stream.Collector;
import org.jspecify.annotations.Nullable;

/**
 * A {@link Set} whose contents will never change, with many other important properties detailed at
 * {@link ImmutableCollection}.
 *
 * @since 2.0
 */
@GwtCompatible
@SuppressWarnings("serial") // we're overriding default serialization

     *
     * @return success count
     */
    public int getSuccessCount() {
        return successCount.get();
    }

    /**
     * Get time since last state change
     *
     * @return milliseconds since last state change
     */
    public long getTimeSinceLastStateChange() {
        return System.currentTimeMillis() - lastStateChangeTime.get();
    }

    /**

    }

    // ========== Thread Safety Tests ==========

    /**
     * Test that the volatile alive field is visible across threads.
     * One thread sets alive to false, other threads should see the change immediately.
     */
    @Test
    public void test_aliveField_volatileVisibility() throws Exception {
        // Ensure alive starts as true
        assertTrue(dataStore.alive);

    }

    @Test
    public void test_constructorWithThrowableCause_OutOfMemoryError() {
        // Test that constructor accepts Error as cause (verifies Throwable parameter change)
        String message = "SSO login failed due to memory error";
        OutOfMemoryError error = new OutOfMemoryError("Not enough memory for SSO login");

you must, mock `Call.Factory` which is the interface that `OkHttpClient` implements.

#### Internal API changes

The `okhttp3.internal` package is not a published API and we change it frequently without warning.
Depending on code in this package is bad and will cause you problems with any upgrade! But the 4.x
will be particularly painful to naughty developers that import from this package! We changed a lot