*_retval = nsnull;
if (language == nsIProgrammingLanguage::JAVASCRIPT) { *_retval = NS_STATIC_CAST(nsIXPCScriptable *, this);  NS_ADDREF(*_retval); } else { *_retval = nsnull; }
nsXMLHttpRequestSH::GetHelperForLanguage(PRUint32 language,                                         nsISupports **_retval){  *_retval = nsnull;  return NS_OK;}