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