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The XSLT and XQuery Processor
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2018-2022 Saxonica Limited
// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
// If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
// This Source Code Form is "Incompatible With Secondary Licenses", as defined by the Mozilla Public License, v. 2.0.
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/**
* This package implements maps, as introduced in XSLT 3.0 and XQuery 3.1:
* maps provide a dictionary-like data structure.
* Maps are immutable, so that adding a new entry to a map creates a new map.
* The entries in a map are (Key, Value) pairs. The key is always an atomic value; the value
* may be any XPath sequence.
* There are functions (each supported by its own implementation class) to create a new map,
* to add an entry to a map, to get an entry from a map, and to list all the keys that are present
* in a map.
*/
package net.sf.saxon.ma.map;