优化ptz

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2024-02-29 454b5a4b87b5c2ffe34f67a53797d6aeb7941995

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export default function _classExtractFieldDescriptor(receiver, privateMap, action) {
  if (!privateMap.has(receiver)) {
    throw new TypeError("attempted to " + action + " private field on non-instance");
  }
  return privateMap.get(receiver);
}