Package	Description
com.saxonica.xqj
com.saxonica.xqj.pull
javax.xml.xquery
net.sf.saxon	This is the top-level package containing the code used to build Saxon-HE.
net.sf.saxon.dom	This package contains classes used to enable Saxon to read and write DOM tree models.
net.sf.saxon.event	This package provides support for push pipeline processing based on the Receiver interface and its implementation classes.
net.sf.saxon.expr	This package provides classes associated with XPath expression handling.
net.sf.saxon.expr.accum	This package contains classes used to implement XSLT 3.0 accumulators, in particular, accumulators for non-streamed documents.
net.sf.saxon.expr.compat	This package contains classes concerned with evaluation of expressions in XPath 1.0 compatibility mode.
net.sf.saxon.expr.flwor	This package is concerned with evaluation of FLWOR expressions in XQuery
net.sf.saxon.expr.instruct
net.sf.saxon.expr.number	This package provides classes associated with numbering and the xsl:number instruction.
net.sf.saxon.expr.oper	This package contains a class used to handle expressions with an array of operands.
net.sf.saxon.expr.parser	This package contains classes associated with parsing and general static analysis of XPath expressions.
net.sf.saxon.expr.sort	This package provides utility routines for sorting and grouping.
net.sf.saxon.functions	This package provides implementations of all the core functions available for use in XPath expressions.
net.sf.saxon.functions.hof	The package com.saxonica.functions.hof contains code to support higher-order functions.
net.sf.saxon.functions.registry	This package contains libraries of function signatures for the standard functions available in various Saxon-HE environments.
net.sf.saxon.gizmo	This package provides supporting code for the Gizmo utility, found at net.sf.saxon.Gizmo.
net.sf.saxon.java	This package contains Saxon code that is specific to the Java platform, as distinct from .NET
net.sf.saxon.jaxp	This package contains classes that provide Saxon's implementation of JAXP interfaces.
net.sf.saxon.lib	This package collects together interfaces intended for user applications to implement in order to customize Saxon's behavior, default implementations of these interfaces, and classes containing constants that are used in public Saxon interfaces.
net.sf.saxon.ma	This package contains classes associated with the implementation of maps, arrays, and JSON for XSLT 3.0 and XPath 3.1.
net.sf.saxon.ma.arrays	This package implements arrays, as introduced in XPath/XQuery 3.1: arrays provide a list-like data structure that (unlike sequences) allows nesting.
net.sf.saxon.ma.json	This package implements support for JSON: it includes classes that implement the XPath 3.1 functions for JSON, and underlying support code for parsing and serializating JSON.
net.sf.saxon.ma.map	This package implements maps, as introduced in XSLT 3.0 and XQuery 3.1: maps provide a dictionary-like data structure.
net.sf.saxon.ma.trie	This package contains a general-purpose implementation of immutable hash trie maps, used to underpin the Saxon implementation of XSLT 3.0 maps.
net.sf.saxon.ma.zeno	This package contains an implementation of XDM sequences known as the ZenoSequence.
net.sf.saxon.om	This package defines the interface to the Saxon tree structure.
net.sf.saxon.option.axiom	This package contains classes that interface Saxon to the Apache AXIOM tree model.
net.sf.saxon.option.dom4j	This package provides glue classes that enable Saxon to process a source document supplied as a DOM4J tree (see https://dom4j.github.io).
net.sf.saxon.option.exslt	This package provides implementations of the functions defined in EXSLT.
net.sf.saxon.option.jdom2	This package contains classes that interface Saxon to the JDOM2 tree model.
net.sf.saxon.option.local	This package contains classes responsible for localizing the output of functions such as format-dateTime and format-integer into various languages.
net.sf.saxon.option.sql	This package provides some sample extension elements for loading data into an SQL database.
net.sf.saxon.option.xom	This package provides glue classes that enable Saxon to process a source document supplied as a XOM tree (see http://www.cafeconleche.org/XOM).
net.sf.saxon.pattern	This package provides classes associated with XSLT pattern handling.
net.sf.saxon.pull	This package provides classes that interface Saxon to an XML parser that supplies data in the form of a stream of events.
net.sf.saxon.query	This package contains classes specific to the implementation of XQuery
net.sf.saxon.regex	This package contains the code to map XML Schema and XPath regular expressions to a regular expression engine of the underlying Java platform.
net.sf.saxon.regex.charclass	This package contains Java classes used to represent character classes in regular expressions.
net.sf.saxon.resource	This package contains Java classes used to represent abstractions of resources of different kinds that can be retrieved as part of a collection (using the fn:collection() function).
net.sf.saxon.s9api	This package provides Saxon's preferred Java API for XSLT, XQuery, XPath, and XML Schema processing.
net.sf.saxon.s9api.push	This package contains an API for lightweight document construction.
net.sf.saxon.s9api.streams	This package provides methods to manipulate XDM values using Java 8 streams.
net.sf.saxon.sapling	This package defines a public API for constructing trees; it represents trees-under-construction using a lightweight immutable data structure called a sapling; once construction of a sapling tree is complete, it can be copied to form a fully-functional XDM tree in the form of an XdmNode or NodeInfo object.
net.sf.saxon.serialize	This package contains code for serializing trees using the standard W3C-defined serialization methods (xml, html, text, etc).
net.sf.saxon.serialize.charcode	This package provides classes for handling different character sets, especially when serializing the output of a query or transformation.
net.sf.saxon.stax	This package contains classes used to connect to StAX (pull-parser) events for input and output.
net.sf.saxon.str	This package contains classes used to handle Unicode strings: notably implementations of the UnicodeString interface, which represents a string as a sequence of directly-addressible Unicode codepoints (without relying on surrogate pairs).
net.sf.saxon.style	This package provides classes used during the compilation of an XSLT stylesheet.
net.sf.saxon.sxpath	This package originally provided an alternative API for executing XPath expressions directly from a Java application.
net.sf.saxon.trace	This package provides an interface to Saxon tracing and debugging capabilities.
net.sf.saxon.trans	This package provides a miscellaneous collection of helper classes for XSLT transformation.
net.sf.saxon.trans.packages	This package contains classes used to support creation of XSLT 3.0 packages.
net.sf.saxon.trans.rules	This package provides classes to implement matching of patterns for selection of template rules within a mode.
net.sf.saxon.transpile
net.sf.saxon.tree	This package contains classes and sub-packages used to implement Saxon's various tree models including the linked tree and tiny tree.
net.sf.saxon.tree.iter	This package defines implementations and subinterfaces of the interface SequenceIterator, which is used to iterate over an XDM sequence.
net.sf.saxon.tree.jiter	This package defines utility classes designed to work with Java iterators, that is, implementations of java.util.Iterator (not to be confused with Saxon's SequenceIterator class).
net.sf.saxon.tree.linked	This package defines the implementation of the so-called "linked tree" structure.
net.sf.saxon.tree.tiny	This package is an implementation of the Saxon internal tree structure, designed to minimize memory usage, and the costs of allocating and garbage-collecting Java objects.
net.sf.saxon.tree.util	This package provides a number of re-usable utility classes and methods used by more than one tree model implementation.
net.sf.saxon.tree.wrapper
net.sf.saxon.type	This package contains classes that implement the XPath 2.0 and 3.1 type system.
net.sf.saxon.value	This package provides classes representing XPath values (that is, the results of an expression).
net.sf.saxon.xpath	This package is Saxon's implementation of the JAXP API designed for executing XPath 1.0 expressions directly from a Java application.
net.sf.saxon.z	This package provides utility routines for handling integer sets and maps.