lank">System<span id="LSTF2647493_3"></span><script type="text/javascript">AddLanguageSpecificTextSet("LSTF2647493_3?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>Nullable</a><span id="LSTF2647493_4"></span><script type="text/javascript">AddLanguageSpecificTextSet("LSTF2647493_4?cs=&lt;|vb=(Of |cpp=&lt;|fs=&lt;'|nu=(");</script><a href="https://docs.microsoft.com/dotnet/api/system.timespan" target="_blank">TimeSpan</a><span id="LSTF2647493_5"></span><script type="text/javascript">AddLanguageSpecificTextSet("LSTF264