code: public DescribeConfigurationSetRequest withConfigurationSetAttributeNames(String... configurationSetAttributeNames) {
          if (this.configurationSetAttributeNames == null) {
              setConfigurationSetAttributeNames(new com.amazonaws.internal.SdkInternalList<String>(configurationSetAttributeNames.length));
          }
          for (String ele : configurationSetAttributeNames) {
              this.configurationSetAttributeNames.add(ele);
          }
          return this;
      }
docs: <p>
  A list of configuration set attributes to return.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setConfigurationSetAttributeNames(java.util.Collection)} or
  {@link #withConfigurationSetAttributeNames(java.util.Collection)} if you want to override the existing values.
  </p>
  
  @param configurationSetAttributeNames
  A list of configuration set attributes to return.
  @return Returns a reference to this object so that method calls can be chained together.
  @see ConfigurationSetAttribute