org.apache.axiom.om
Interfaces 
OMAttribute
OMComment
OMConstants
OMContainer
OMDataSource
OMDocType
OMDocument
OMElement
OMFactory
OMNamespace
OMNode
OMProcessingInstruction
OMSerializer
OMText
OMXMLParserWrapper
Classes 
OMAbstractFactory
OMOutputFormat
Exceptions 
OMException
OMFactoryException