The <cxxVariableDetail> element provides detailed information about the structure and behaviors of a C++ variable.
The <cxxVariableDetail> element is defined within <cxxVariable>. In <cxxVariableDetail> the <example> and <section> elements are provided to support the current specific C++ API reference.
apiDesc, apiImpl, cxxVariableDefinition example, section,
(cxxVariableDefinition then apiDesc, then (example, or section, or apiImpl, (any number) ))