UnityEditor.EditorUtility.InternalCopySerializedIfDifferent C# (CSharp) Method

        private static extern void InternalCopySerializedIfDifferent(Object source, Object dest);
        [MethodImpl(MethodImplOptions.InternalCall)]

 public static void CopySerializedIfDifferent(UnityEngine.Object source, UnityEngine.Object dest)
 {
     if (source == null)
     {
         throw new ArgumentNullException("Argument 'source' is null");
     }
     if (dest == null)
     {
         throw new ArgumentNullException("Argument 'dest' is null");
     }
     EditorUtility.InternalCopySerializedIfDifferent(source, dest);
 }