RDFContentSinkImpl::HandleXMLDeclaration(const PRUnichar *aVersion, const PRUnichar *aEncoding, const PRInt32 aStandalone)
RDFContentSinkImpl::HandleXMLDeclaration(const PRUnichar *aData, PRUint32 aLength)
RDFContentSinkImpl::HandleXMLDeclaration(const PRUnichar *aVersion,                                         const PRUnichar *aEncoding,                                         const PRInt32 aStandalone){    return NS_OK;}