code: public <T6> Pattern6<T1, T2, T3, T4, T5, T6> and(Observable<T6> other) {
          if (other == null) {
              throw new NullPointerException();
          }
          return new Pattern6<T1, T2, T3, T4, T5, T6>(o1, o2, o3, o4, o5, other);
      }
docs: Creates a pattern that matches when all five observable sequences have an available element.
  
  @param other
  Observable sequence to match with the four previous sequences.
  @return Pattern object that matches when all observable sequences have an available element.