assertThrows(NullPointerException.class, () -> putAll(containsNullKey));
    expectUnchanged();
    expectNullKeyMissingWhenNullKeysUnsupported(
        "Should not contain null key after unsupported putAll(containsNullKey)");
  }

  @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_VALUES})
  public void testPutAll_nullValueSupported() {
    putAll(containsNullValue);

        msg.setFlag(0x4, true);
        assertTrue(msg.getFlag(0x4), "Bit should be set after setFlag(true)");
    }

    @Test
    @DisplayName("setFlag false clears the bit")
    void testSetFlagFalse() {
        msg.setFlag(0x4, true);
        msg.setFlag(0x4, false);
        assertFalse(msg.getFlag(0x4), "Bit should be cleared after setFlag(false)");
    }

    // ---------------- Static read tests -----------------

import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * The annotated element must not be null.
 * <p>
 * Annotated fields must not be null after construction has completed.
 * <p>
 * When this annotation is applied to a method it applies to the method return value.
 *
 * @see Nullable
 * @since 4.0.0
 */
@Experimental
@Documented

  // 7.1.0 is used because it avoids this error
  // Could not create an instance of type aQute.bnd.gradle.BundleTaskExtension.
  // Cannot change attributes of configuration ':native-image-tests:compileClasspath' after it has been locked for mutation
  implementation("biz.aQute.bnd:biz.aQute.bnd.gradle:7.1.0")

    taskFaker.runTasks()
    server.webSocket!!.pong("pong 3".encodeUtf8())
    client.processNextFrame()

    // After 500ms the client automatically pings and the server pongs back.
    taskFaker.advanceUntil(ns(500L))
    server.processNextFrame() // Ping.
    client.processNextFrame() // Pong.

    // After 1000ms the client will attempt a ping 2, but we don't process it. That'll cause the

[Unit]
Description=Fess
Documentation=http://fess.codelibs.org/
Wants=network-online.target
After=network-online.target opensearch.service
Requires=opensearch.service

[Service]
Environment=FESS_HOME=${packaging.fess.home.dir}
EnvironmentFile=-${packaging.env.file}

User=${packaging.fess.user}
Group=${packaging.fess.group}

ExecStart=${packaging.fess.bin.dir}/fess

# Connects standard output to /dev/null
StandardOutput=null

  PROFILE_JSON_PATH="$PROFILE_JSON_PATH/profile.json.gz"
else
  PROFILE_JSON_PATH="$TFCI_OUTPUT_DIR/profile.json.gz"
fi

# TODO(b/361369076) Remove the following block after TF NumPy 1 is dropped
# Move hermetic requirement lock files for NumPy 1 to the root
if [[ "$TFCI_WHL_NUMPY_VERSION" == 1 ]]; then
  cp ./ci/official/requirements_updater/numpy1_requirements/*.txt .
fi

Many exotic errors while installing a package are solved by just upgrading `pip` first.

/// tip

You would normally do this **once**, right after you create the virtual environment.

///

Make sure the virtual environment is active (with the command above) and then run:

<div class="termy">

```console
$ python -m pip install --upgrade pip

    //                                         -------------
    /**
     * Creates a new group.
     *
     * @param form the create form
     * @return HTML response after creation
     */
    @Execute
    @Secured({ ROLE })
    public HtmlResponse create(final CreateForm form) {
        verifyCrudMode(form.crudMode, CrudMode.CREATE);

    /**
     * Creates a new related query item.
     *
     * @param form the create form containing the new item data
     * @return HTML response redirecting to the list page after creation
     */
    @Execute
    @Secured({ ROLE })
    public HtmlResponse create(final CreateForm form) {
        verifyCrudMode(form.crudMode, CrudMode.CREATE);