**FastAPI** напрямую предоставляет тот же самый `WebSocket` просто для удобства. На самом деле это `WebSocket` из Starlette.

///

## Ожидание и отправка сообщений { #await-for-messages-and-send-messages }

Через эндпоинт веб-сокета вы можете получать и отправлять сообщения.

{* ../../docs_src/websockets/tutorial001_py39.py hl[48:52] *}

Вы можете получать и отправлять двоичные, текстовые и JSON данные.

     */
    public MojoExecutionException(String message, Throwable cause) {
        super(message, cause);
    }

    /**
     * Construct a new <code>MojoExecutionException</code> exception providing a <code>message</code>.
     *
     * @param message
     */
    public MojoExecutionException(String message) {
        super(message);
    }

    /**

import java.util.List;
import java.util.logging.Handler;
import java.util.logging.LogRecord;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Tests may use this to intercept messages that are logged by the code under test. Example:
 *
 * <pre>
 *   TestLogHandler handler;
 *
 *   protected void setUp() throws Exception {
 *     super.setUp();
 *     handler = new TestLogHandler();

 * under the License.
 */
package org.apache.maven.internal;

import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;

/**
 * Helper class to format multiline messages to the console
 */
public class MultilineMessageHelper {

    private static final int DEFAULT_MAX_SIZE = 65;
    private static final char BOX_CHAR = '*';

     *
     * @throws MojoExecutionException if an unexpected problem occurs.
     * Throwing this exception causes a "BUILD ERROR" message to be displayed.
     * @throws MojoFailureException if an expected problem (such as a compilation failure) occurs.
     * Throwing this exception causes a "BUILD FAILURE" message to be displayed.
     */
    void execute() throws MojoExecutionException, MojoFailureException;

    /**

import java.util.List;
import java.util.logging.Handler;
import java.util.logging.LogRecord;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Tests may use this to intercept messages that are logged by the code under test. Example:
 *
 * <pre>
 *   TestLogHandler handler;
 *
 *   protected void setUp() throws Exception {
 *     super.setUp();
 *     handler = new TestLogHandler();

  @Override public synchronized void onOpen(WebSocket webSocket, Response response) {
    System.out.println("onOpen: " + response);
  }

  // TOOD(jwilson): decode incoming messages and dispatch them somewhere.
  @Override public void onMessage(WebSocket webSocket, String text) {
    System.out.println("onMessage: " + text);
  }

//
// It does not implement the standard error Unwrap interface for
// better error log messages.
type Error struct {
	Code    int    // The HTTP status code returned to the client
	APICode string // The API error code identifying the error
	Err     string // The error message returned to the client
	Cause   error  // Optional, lower level error cause.
}

func (e Error) Error() string {

  static final float INNER_LOAD_FACTOR = 1.0f;
  static final int INNER_CAPACITY = 2; // ceiling(EXPECTED_DEGREE / INNER_LOAD_FACTOR)

  // Error messages
  static final String NODE_NOT_IN_GRAPH = "Node %s is not an element of this graph.";
  static final String EDGE_NOT_IN_GRAPH = "Edge %s is not an element of this graph.";
  static final String NODE_REMOVED_FROM_GRAPH =

  /** Override to call {@code indexOf()} or {@code lastIndexOf()}. */
  protected abstract int find(@Nullable Object o);

  /** Override to return "indexOf" or "lastIndexOf()" for use in failure messages. */
  protected abstract String getMethodName();

  @CollectionSize.Require(absent = ZERO)
  public void testFind_yes() {
    assertEquals(