Read more about it in the [FastAPI docs for WebSockets](https://fastapi.tiangolo.com/advanced/websockets/)

It is provided directly by Starlette, but you can import it from `fastapi`:

```python
from fastapi import WebSocket
```

/// tip

  /**
   * Creates a new, empty {@code ArrayListMultimap} with the default initial capacities.
   *
   * <p>You may also consider the equivalent {@code
   * MultimapBuilder.hashKeys().arrayListValues().build()}, which provides more control over the
   * underlying data structure.
   */
  public static <K extends @Nullable Object, V extends @Nullable Object>
      ArrayListMultimap<K, V> create() {
    return new ArrayListMultimap<>();
  }

                                          )
            if response.status != 200:
                message = "Credential refresh failed, response: %s"
                raise CredentialRetrievalError(
                    provider=method,
                    error_msg=message % response.status,
                )

            creds = json.loads(response.data)

            query = {}
            query['Action'] = 'AssumeRoleWithClientGrants'

 * under the License.
 */
package org.apache.maven.model.profile.activation;

import org.apache.maven.model.Profile;
import org.apache.maven.model.building.ModelProblemCollector;
import org.apache.maven.model.profile.ProfileActivationContext;

/**
 * Determines whether a profile should be activated.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */

/**
 * Tests {@code Profile}.
 *
 */
class ProfileTest {

    @Test
    void testHashCodeNullSafe() {
        new Profile().hashCode();
    }

    @Test
    void testEqualsNullSafe() {
        assertFalse(new Profile().equals(null));

        new Profile().equals(new Profile());
    }

    @Test
    void testEqualsIdentity() {
        Profile thing = new Profile();

    @Override
    public boolean isActive(
            org.apache.maven.model.Profile profile, ProfileActivationContext context, ModelProblemCollector problems) {
        return getActivationPackaging(profile).map(p -> isPackaging(context, p)).orElse(false);
    }

    @Override
    public boolean presentInConfig(
            org.apache.maven.model.Profile profile, ProfileActivationContext context, ModelProblemCollector problems) {

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;

/**
 * Defines the contract for a component responsible for invoking a Maven application
 * using the information provided in an {@link InvokerRequest}. This interface is central
 * to the construction and invocation of Maven commands and builds, and it fully parses arguments.
 *

   * might be null, or you need support for {@link List#set(int, Object)}, use {@link
   * Arrays#asList}.
   *
   * <p>Note that even when you do need the ability to add or remove, this method provides only a
   * tiny bit of syntactic sugar for {@code new ArrayList<>(}{@link Arrays#asList asList}{@code
   * (...))}, or for creating an empty list then calling {@link Collections#addAll}. This method is

 * specific language governing permissions and limitations
 * under the License.
 */

/**
 * A dependency injection framework for Maven that provides JSR-330 style annotations
 * for managing object lifecycle and dependencies within Maven's build process.
 * <p>
 * This package provides a set of annotations that control how objects are created,
 * managed and injected throughout Maven's execution lifecycle. The framework is designed

import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;
import org.junit.jupiter.params.provider.ValueSource;
import org.mockito.ArgumentCaptor;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

@ExtendWith(MockitoExtension.class)