<ParameterList name="MueLu">

  <Parameter        name="verbosity"                            type="string"   value="high"/>

  <Parameter        name="max levels"                           type="int"      value="10"/>
  <Parameter        name="coarse: max size"                     type="int"      value="10"/>

  <Parameter        name="multigrid algorithm"                  type="string"   value="unsmoothed"/>

  <!-- Smoothing -->
  <Parameter        name="smoother: type"                       type="string"   value="RELAXATION"/>
  <ParameterList    name="smoother: params">
    <Parameter      name="relaxation: type"                     type="string"   value="Symmetric Gauss-Seidel"/>
    <Parameter      name="relaxation: sweeps"                   type="int"      value="1"/>
    <Parameter      name="relaxation: damping factor"           type="double"   value="1.0"/>
  </ParameterList>

  <!-- Aggregation -->
  <Parameter        name="aggregation: type"                    type="string"   value="uncoupled"/>
  <Parameter        name="aggregation: min agg size"            type="int"      value="4"/>

</ParameterList>
