public override void OnInspectorGUI()
{
#if UNITY_2019_1_OR_NEWER
PrefabTarget.enableDebugMode = EditorGUILayout.Toggle("Enable Debug Mode", PrefabTarget.enableDebugMode);
PrefabTarget.showSkeleton = EditorGUILayout.Toggle("Show Skeleton", PrefabTarget.showSkeleton);
buildHandSignalControlGUI();
EditorGUIUtils.GUILine();
buildMovingCursorControlGUI();
EditorGUIUtils.GUILine();
buildGrabControlGUI();
EditorGUIUtils.GUILine();
buildRawTrackingControlGUI();
#else
EditorGUILayout.HelpBox("Hand Gesutre Prefab is only accessible on Unity 2019 or newer version. However you can still access Hand Gesture features by code.\n\nCheck https://sdk.madgaze.com/ for more information.", MessageType.Error);
#endif
}