The <cxxVariableStorageClassSpecifierMutable> element marks this variable as mutable.
The <cxxVariableStorageClassSpecifierMutable> element has no children. <cxxVariableStorageClassSpecifierMutable> can have the fixed attributes name and value both of which are set to "mutable".
<cxxVariableDefinition> <cxxVariableAccessSpecifier value="private"/> <cxxVariableStorageClassSpecifierMutable/> <cxxVariableDeclaredType> <apiRelation href="class_t_call_back.xml#class_t_call_back">TCallBack</apiRelation> </cxxVariableDeclaredType> <cxxVariableScopedName>RFbsSession</cxxVariableScopedName> <cxxVariablePrototype>TCallBack iCallBack</cxxVariablePrototype> <cxxVariableNameLookup>RFbsSession::iCallBack</cxxVariableNameLookup> <cxxVariableAPIItemLocation> <cxxVariableDeclarationFile name="filePath" value="C:/src/include/fbs.h"/> <cxxVariableDeclarationFileLine name="lineNumber" value="121"/> </cxxVariableAPIItemLocation> </cxxVariableDefinition>