MethodCallTypeNotErasedWhenUncheckedConversionWasAppliedButNoTypeParamsProvided.java

import java.util.List;
import java.util.Set;

class Test {

  void testCall(final Set set) {
    for (String position :  sortInvoice(set)) {}
  }

  private List<String> sortInvoice(Set<Integer> set) {
    return null;
  }
}