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//
// ============LICENSE_START=======================================================
// Copyright (C) 2016-2018 Ericsson. All rights reserved.
// ================================================================================
// This file is licensed under the CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE
// Full license text at https://creativecommons.org/licenses/by/4.0/legalcode
//
// SPDX-License-Identifier: CC-BY-4.0
// ============LICENSE_END=========================================================
//
// @author Sven van der Meer (sven.van.der.meer@ericsson.com)
//
== Concept: ContextItem
Each piece of context in a __ContextMap__ is represented by an instance of the __ContextItem__ concept.
Each __ContextItem__ concept instance in a context map keyed with a `ReferenceKey` key, which references the context map of the context item.
The __LocalName__ field of the `ReferenceKey` holds the name of the context item in the context map
A reference to a __DataType__ concept defines the data type that values of this context item have at run time.
The __WritableFlag__ indicates if the context item is read only or read-write at run time.