From a08e672abffa1f243c8093a03fdc1db4b58bb14c Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Fri, 27 Nov 2020 09:13:56 +0100
Subject: eng: Add design group requirement item type

Update #3715.
---
 eng/req/items.rst | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/eng/req/items.rst b/eng/req/items.rst
index be3ff38..c160ee7 100644
--- a/eng/req/items.rst
+++ b/eng/req/items.rst
@@ -109,6 +109,8 @@ The specification item types have the following hierarchy:
 
     * :ref:`SpecTypeNonFunctionalRequirementItemType`
 
+      * :ref:`SpecTypeDesignGroupRequirementItemType`
+
       * :ref:`SpecTypeGenericNonFunctionalRequirementItemType`
 
       * :ref:`SpecTypeRuntimePerformanceRequirementItemType`
@@ -1953,10 +1955,30 @@ non-functional-type
 
 This type is refined by the following types:
 
+* :ref:`SpecTypeDesignGroupRequirementItemType`
+
 * :ref:`SpecTypeGenericNonFunctionalRequirementItemType`
 
 * :ref:`SpecTypeRuntimePerformanceRequirementItemType`
 
+.. _SpecTypeDesignGroupRequirementItemType:
+
+Design Group Requirement Item Type
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+This type refines the :ref:`SpecTypeNonFunctionalRequirementItemType` through
+the ``non-functional-type`` attribute if the value is ``design-group``. This
+set of attributes specifies a design group requirement.  Design group
+requirements have an explicit reference to the associated Doxygen group
+specified by the ``identifier`` attribute.  Design group requirements have an
+implicit validation by inspection method.  The qualification toolchain shall
+perform the inspection and check that the specified Doxygen group exists in the
+software source code. All explicit attributes shall be specified. The explicit
+attributes for this type are:
+
+identifier
+    The attribute value shall be an :ref:`SpecTypeInterfaceGroupIdentifier`.
+
 .. _SpecTypeGenericNonFunctionalRequirementItemType:
 
 Generic Non-Functional Requirement Item Type
@@ -3987,6 +4009,8 @@ The value shall match with the regular expression "``^[A-Z][a-zA-Z0-9]*$``".
 
 This type is used by the following types:
 
+* :ref:`SpecTypeDesignGroupRequirementItemType`
+
 * :ref:`SpecTypeInterfaceGroupItemType`
 
 .. _SpecTypeInterfaceGroupMembershipLinkRole:
-- 
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