/**
 * @name Test for user-defined operator "calls"
 */
import csharp

from Method m, OperatorCall e, AddOperator t
where m.hasName("delegateCombine")
  and e.getEnclosingCallable() = m
  and t = e.getTarget()
select m, m.getDeclaringType(), e.getAnArgument(), t.getDeclaringType()

