code: public java.util.List<SpotFleetLaunchSpecification> getLaunchSpecifications() {
          if (launchSpecifications == null) {
              launchSpecifications = new com.amazonaws.internal.SdkInternalList<SpotFleetLaunchSpecification>();
          }
          return launchSpecifications;
      }
docs: <p>
  The launch specifications for the Spot Fleet request. If you specify <code>LaunchSpecifications</code>, you can't
  specify <code>LaunchTemplateConfigs</code>.
  </p>
  
  @return The launch specifications for the Spot Fleet request. If you specify <code>LaunchSpecifications</code>,
  you can't specify <code>LaunchTemplateConfigs</code>.