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    * CS licenses this file to You under the Apache License, Version 2.0
    * (the "License"); you may not use this file except in compliance with
    * the License.  You may obtain a copy of the License at
    *
    *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
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   * See the License for the specific language governing permissions and
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  package org.orekit.estimation.leastsquares;
  
  import java.util.List;
  
  import org.orekit.estimation.measurements.ObservedMeasurement;
  import org.orekit.orbits.Orbit;
  import org.orekit.propagation.MatricesHarvester;
  import org.orekit.propagation.Propagator;
  import org.orekit.propagation.SpacecraftState;
  import org.orekit.propagation.analytical.tle.TLEJacobiansMapper;
  import org.orekit.propagation.analytical.tle.TLEPropagator;
  import org.orekit.propagation.conversion.OrbitDeterminationPropagatorBuilder;
  import org.orekit.utils.ParameterDriversList;
  
  /** Bridge between {@link ObservedMeasurement measurements} and {@link
   * org.hipparchus.optim.nonlinear.vector.leastsquares.LeastSquaresProblem
   * least squares problems}.
   * @author Luc Maisonobe
   * @author Bryan Cazabonne
   * @author Thomas Paulet
   * @since 11.0
   * @deprecated as of 11.1, replaced by {@link BatchLSModel}
   */
  @Deprecated
  public class TLEBatchLSModel extends AbstractBatchLSModel {
  
      /** Name of the State Transition Matrix state. */
      private static final String STM_NAME = TLEBatchLSModel.class.getName() + "-derivatives";
  
      /** Simple constructor.
       * @param propagatorBuilders builders to use for propagation
       * @param measurements measurements
       * @param estimatedMeasurementsParameters estimated measurements parameters
       * @param observer observer to be notified at model calls
       */
      public TLEBatchLSModel(final OrbitDeterminationPropagatorBuilder[] propagatorBuilders,
                             final List<ObservedMeasurement<?>> measurements,
                             final ParameterDriversList estimatedMeasurementsParameters,
                             final ModelObserver observer) {
          // call super constructor
          super(propagatorBuilders, measurements, estimatedMeasurementsParameters, observer);
      }
  
      /** {@inheritDoc} */
      @Override
      protected MatricesHarvester configureHarvester(final Propagator propagator) {
          return ((TLEPropagator) propagator).setupMatricesComputation(STM_NAME, null, null);
      }
  
      /** {@inheritDoc} */
      @Override
      @Deprecated
      protected TLEJacobiansMapper configureDerivatives(final Propagator propagator) {
  
          final org.orekit.propagation.analytical.tle.TLEPartialDerivativesEquations partials =
                          new org.orekit.propagation.analytical.tle.TLEPartialDerivativesEquations(STM_NAME, (TLEPropagator) propagator);
  
          // add the derivatives to the initial state
          final SpacecraftState rawState = propagator.getInitialState();
          final SpacecraftState stateWithDerivatives = partials.setInitialJacobians(rawState);
          propagator.resetInitialState(stateWithDerivatives);
  
          return partials.getMapper();
  
      }
  
      /** {@inheritDoc} */
      @Override
      protected Orbit configureOrbits(final MatricesHarvester harvester, final Propagator propagator) {
          // Directly return the propagator's initial state
          return propagator.getInitialState().getOrbit();
      }
  
  }