public function stability(bool $stability): StartTranscription {
    $this->stability = $stability;
    return $this;
}

...

 if(isset($this->stability)) {
      $element->setattribute("stability", $this->stability);
  }

/**
 * Sets the stabilized attribute for StartTranscription. This remains for backwards compatibility.
 *
 * @param bool $stability Whether to send transcription update events to the specified destination only after they have become stable. Requires destination. Defaults to true.
 * @deprecated Use stabilized() instead
 */
public function stability( bool $stability): StartTranscription {
    $this->stabilized = $stability;
    return $this;
}

/**
 * Sets the stabilized attribute for StartTranscription
 *
 * @param bool $stabilized Whether to send transcription update events to the specified destination only after they have become stable. Requires destination. Defaults to true.
 */
public function stabilized( bool $stabilized): StartTranscription {
    $this->stabilized = $stabilized;
    return $this;
}

if(isset($this->stabilized)) {
    $element->setattribute("stabilized", $this->stabilized ? 'true' : 'false');
}