org.apache.axiom.om
Interfaces 
OMAttachmentAccessor
OMAttribute
OMComment
OMConstants
OMContainer
OMDataSource
OMDataSourceExt
OMDocType
OMDocument
OMElement
OMFactory
OMMetaFactory
OMNamespace
OMNode
OMProcessingInstruction
OMSerializable
OMSerializer
OMSourcedElement
OMText
OMXMLParserWrapper
OMXMLStreamReader
Classes 
OMAbstractFactory
OMOutputFormat
OMXMLBuilderFactory
Exceptions 
OMException
OMHierarchyException