* objects come from factory methods that are themselves {@code @Nullable}. In reality neither the
   * array nor its contents can be null, but it is not useful to force the use of {@code
   * requireNonNull} or the like just to assert that.
   *
   * <p>{@code EqualsTester} will always check that every object it is given returns false from

  /**
   * If true, no new exchanges can be created on this connection. It is necessary to set this to
   * true when removing a connection from the pool; otherwise a racing caller might get it from the
   * pool when it shouldn't. Symmetrically, this must always be checked before returning a
   * connection from the pool.
   *
   * Once true this is always true. Guarded by this.
   */
  var noNewExchanges = false

  /**

        request.setImpersonationLevel(Smb2CreateRequest.SMB2_IMPERSONATION_LEVEL_DELEGATE);
        byte[] buffer = new byte[1024];
        request.writeBytesWireFormat(buffer, 0);

        // Read impersonation level from buffer (offset 4-7)
        int impLevel = (buffer[4] & 0xFF) | ((buffer[5] & 0xFF) << 8) | ((buffer[6] & 0xFF) << 16) | ((buffer[7] & 0xFF) << 24);
        assertEquals(Smb2CreateRequest.SMB2_IMPERSONATION_LEVEL_DELEGATE, impLevel);

        // TODO(lukes): handle RejectedExecutionException
        adapterExecutor.execute(
            () -> {
              try {
                /*
                 * Threads from our private pool are never interrupted. Threads from a
                 * user-supplied executor might be, but... what can we do? This is another reason
                 * to return a proper ListenableFuture instead of using listenInPoolThread.

     * Returns the Java module name of the dependency at the given path.
     * The given dependency should be one of the paths returned by {@link #getDependencies()}.
     * The module name is extracted from the {@code module-info.class} file if present, otherwise from
     * the {@code "Automatic-Module-Name"} attribute of the {@code META-INF/MANIFEST.MF} file if present.
     *
     * <p>A typical usage is to invoke this method for all dependencies having a

 * <ul>
 *   <li>Path sources - simple access to file content</li>
 *   <li>Build sources - POM files being actively built by Maven</li>
 *   <li>Resolved sources - POMs resolved from repositories</li>
 * </ul>
 *
 * @since 4.0.0
 */
@Experimental
public final class Sources {

    private Sources() {}

    /**
     * Creates a new source for the specified path.
     *

	}
	return toAPIError(ctx, fmt.Errorf("error exporting %s from %s with: %w", entity, fname, err))
}

// wraps import error for more context
func importError(ctx context.Context, err error, fname, entity string) APIError {
	if entity == "" {
		return toAPIError(ctx, fmt.Errorf("error importing %s with: %w", fname, err))
	}
	return toAPIError(ctx, fmt.Errorf("error importing %s from %s with: %w", entity, fname, err))
}

Wir könnten sie auch wie folgt importieren:

```Python
from app.routers import items, users
```

/// info

Die erste Version ist ein „relativer Import“:

```Python
from .routers import items, users
```

Die zweite Version ist ein „absoluter Import“:

```Python
from app.routers import items, users
```

Мы также могли бы импортировать и другим методом:

```Python
from app.routers import items, users
```

/// info | Примечание

Первая версия является примером относительного импорта:

```Python
from .routers import items, users
```

Вторая версия является примером абсолютного импорта:

```Python
from app.routers import items, users
```

        return BeanUtil.copyBeanToNewBean(src, destClass);
    }

    /**
     * Builds a comprehensive error message from a throwable and its causes.
     * This method traverses the cause chain and concatenates all error messages.
     *
     * @param t the throwable to build message from
     * @return a string containing all error messages in the cause chain
     */