void SignEndElement(XmlSigningNodeWriter writer)
{
int prefixOffset, prefixLength;
byte[] prefixBuffer = node.Prefix.GetString(out prefixOffset, out prefixLength);
int localNameOffset, localNameLength;
byte[] localNameBuffer = node.LocalName.GetString(out localNameOffset, out localNameLength);
writer.WriteEndElement(prefixBuffer, prefixOffset, prefixLength, localNameBuffer, localNameOffset, localNameLength);
}
