UnityEditor.AssetStoreContext.GetInstance C# (CSharp) Method

        public static AssetStoreContext GetInstance()
        {
            if (s_Instance == null)
            {
                s_Instance = new AssetStoreContext();
                JSProxyMgr.GetInstance().AddGlobalObject("AssetStoreContext", s_Instance);
            }
            return s_Instance;
        }

 static AssetStoreContext()
 {
     AssetStoreContext.s_StandardPackageRegExp  = new Regex("/Standard Packages/(Character\\ Controller|Glass\\ Refraction\\ \\(Pro\\ Only\\)|Image\\ Effects\\ \\(Pro\\ Only\\)|Light\\ Cookies|Light\\ Flares|Particles|Physic\\ Materials|Projectors|Scripts|Standard\\ Assets\\ \\(Mobile\\)|Skyboxes|Terrain\\ Assets|Toon\\ Shading|Tree\\ Creator|Water\\ \\(Basic\\)|Water\\ \\(Pro\\ Only\\))\\.unitypackage$", RegexOptions.IgnoreCase);
     AssetStoreContext.s_GeneratedIDRegExp      = new Regex("^\\{(.*)\\}$");
     AssetStoreContext.s_InvalidPathCharsRegExp = new Regex("[^a-zA-Z0-9() _-]");
     AssetStoreContext.GetInstance();
 }