javax.xml.xquery
Interfaces 
XQCachedItem
XQCachedSequence
XQCommonHandler
XQConnection
XQConstants
XQDataFactory
XQDatasource
XQDynamicContext
XQExprCommons
XQExpression
XQItem
XQItemAccessor
XQItemType
XQMetaData
XQPreparedExpression
XQResultItem
XQResultSequence
XQSequence
XQSequenceType
XQStaticContext
Exceptions 
XQException
XQTypeException
XQWarning