UnityEditor.Unsupported.IsBleedingEdgeBuild C# (CSharp) Method

        public static extern bool IsBleedingEdgeBuild();
        [MethodImpl(MethodImplOptions.InternalCall)]

        private void DrawRefreshStatus()
        {
            bool compiling        = EditorApplication.isCompiling;
            bool assembliesLocked = !EditorApplication.CanReloadAssemblies();

            if (compiling || showProgress)
            {
                if (assembliesLocked)
                {
                    GUILayout.Button(Styles.assemblyLock, Styles.statusIcon);
                }
                else
                {
                    int frame = (int)Mathf.Repeat(Time.realtimeSinceStartup * 10, 11.99f);
                    GUILayout.Button(Styles.statusWheel[frame], Styles.statusIcon);
                }
            }
            else
            {
                if (GUILayout.Button(Styles.progressIcon, Styles.statusIcon))
                {
                    Progress.ShowDetails();
                }

                var buttonRect = GUILayoutUtility.GetLastRect();
                EditorGUIUtility.AddCursorRect(buttonRect, MouseCursor.Link);
            }

            GUILayout.Space(Styles.spacing);

            if (Unsupported.IsBleedingEdgeBuild())
            {
                var backup = GUI.color;
                GUI.color = Color.yellow;
                GUILayout.Label("THIS IS AN UNTESTED BLEEDINGEDGE UNITY BUILD");
                GUI.color = backup;
            }
            else if (Unsupported.IsDeveloperMode())
            {
                GUILayout.Label(m_MiniMemoryOverview, Styles.statusLabel);
                EditorGUIUtility.CleanCache(m_MiniMemoryOverview);
            }
        }