internal static extern JavaScriptErrorCode JsRunScript(string script, JavaScriptSourceContext sourceContext, string sourceUrl, out JavaScriptValue result);
internal static extern JavaScriptErrorCode JsRunSerializedScript(string script, byte[] buffer, JavaScriptSourceContext sourceContext, string sourceUrl, out JavaScriptValue result);
internal static extern JavaScriptErrorCode JsRunSerializedScriptWithCallback(JavaScriptSerializedScriptLoadSourceCallback scriptLoadCallback,
JavaScriptSerializedScriptUnloadCallback scriptUnloadCallback, byte[] buffer, JavaScriptSourceContext sourceContext, string sourceUrl, out JavaScriptValue result);