public NamespaceManager(XmlBufferReader bufferReader)
{
_bufferReader = bufferReader;
_shortPrefixUri = new Namespace[(int)PrefixHandleType.Max];
_shortPrefixUri[(int)PrefixHandleType.Empty] = s_emptyNamespace;
_namespaces = null;
_nsCount = 0;
_attributes = null;
_attributeCount = 0;
_space = XmlSpace.None;
_lang = string.Empty;
_depth = 0;
}