code: public DelegationSet withNameServers(String... nameServers) {
          if (this.nameServers == null) {
              setNameServers(new com.amazonaws.internal.SdkInternalList<String>(nameServers.length));
          }
          for (String ele : nameServers) {
              this.nameServers.add(ele);
          }
          return this;
      }
docs: <p>
  A complex type that contains a list of the authoritative name servers for a hosted zone or for a reusable
  delegation set.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setNameServers(java.util.Collection)} or {@link #withNameServers(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param nameServers
  A complex type that contains a list of the authoritative name servers for a hosted zone or for a reusable
  delegation set.
  @return Returns a reference to this object so that method calls can be chained together.