code: public java.util.List<String> getInstanceTypes() {
          if (instanceTypes == null) {
              instanceTypes = new com.amazonaws.internal.SdkInternalList<String>();
          }
          return instanceTypes;
      }
docs: <p>
  Filters the results by the specified instance types.
  </p>
  
  @return Filters the results by the specified instance types.
  @see InstanceType