import semmle.code.csharp.Conversion

from Type sub, Type sup, string s1, string s2
where
  convConversionOperator(sub, sup) and
  sub != sup and
  s1 = sub.toString() and
  s2 = sup.toString() and
  /*
   * Remove certain results to make the test output consistent
   * between different versions of .NET Core.
   */

  s2 != "FormatParam" and
  s2 != "StringOrCharArray" and
  s2 != "EventSourceActivity"
select s1, s2 order by s1, s2