public final AssertSubscriber<T> assertNoValues(){
  if (valueCount != 0) {
    throw new AssertionError("No values expected but received: [length = " + values.size() + "] "+ values,null);
  }
  return this;
}

public final AssertSubscriber < T > assertNoValues ( ) { if ( valueCount != 0 ) { throw new AssertionError ( "No values expected but received: [length = " + values . size ( ) + "] " + values , null ) ; } return this ; }
assert no values have been received .
