code: public ModifyOptionGroupRequest withOptionsToInclude(OptionConfiguration... optionsToInclude) {
          if (this.optionsToInclude == null) {
              setOptionsToInclude(new com.amazonaws.internal.SdkInternalList<OptionConfiguration>(optionsToInclude.length));
          }
          for (OptionConfiguration ele : optionsToInclude) {
              this.optionsToInclude.add(ele);
          }
          return this;
      }
docs: <p>
  Options in this list are added to the option group or, if already present, the specified configuration is used to
  update the existing configuration.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setOptionsToInclude(java.util.Collection)} or {@link #withOptionsToInclude(java.util.Collection)} if you
  want to override the existing values.
  </p>
  
  @param optionsToInclude
  Options in this list are added to the option group or, if already present, the specified configuration is
  used to update the existing configuration.
  @return Returns a reference to this object so that method calls can be chained together.