@NotNull
  public String getContainingClassJVMClassName() {
    if (myClassLocation instanceof NestedClassLocation) {
      return ((NestedClassLocation)myClassLocation).getNestedInConcreteInheritor();
    }
    return Objects.requireNonNull(ClassUtil.getJVMClassName(myClassLocation.getPsiElement()));
  }
@NotNull
  public String getContainingClassJVMClassName()