code: public void setStates(java.util.Collection<String> states) {
          if (states == null) {
              this.states = null;
              return;
          }
  
          this.states = new java.util.ArrayList<String>(states);
      }
docs: <p>
  A list of one or more states that you want included in the response. If this parameter is not present, then all
  requests are included in the response.
  </p>
  
  @param states
  A list of one or more states that you want included in the response. If this parameter is not present,
  then all requests are included in the response.
  @see CreateAccountState