| instanceRoot | 要检查的预制件实例的根游戏对象。 |
| includeDefaultOverrides | 设置为 true 可将默认重载也视为重载。 |
bool 如果有任何重载，则返回 true。
如果给定预制件实例有任何重载，则返回 true。
不需要知道这些重载是什么时，此方法是检查预制件实例是否具有任何重载的最快方法。
includeDefaultOverrides 参数通常应该设置为 false（除非用于调试目的）。如果设置为 true，该方法通常将为所有预制件实例返回 true，因为所有预制件实例都具有根位置和旋转等项的默认重载。
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