<ParameterList name="MultiLevelPreconditioner">
  <Parameter name="ML output"           type="int"      value="10"/>
  <Parameter name="max levels"          type="int"      value="2"/>
  <Parameter name="smoother: type"      type="string"   value="symmetric Gauss-Seidel"/>
  <Parameter name="smoother: sweeps"    type="int"      value="2"/>
  <Parameter name="coarse: type"        type="string"   value="Amesos-KLU"/>
</ParameterList>
