<ParameterList name="MueLu"> 
 <Parameter name="verbosity"               type="string"    value="high"/> 
  <Parameter name="max levels"              type="int"       value="4"/>
  <Parameter name="coarse: max size"        type="int"       value="200"/>
  <Parameter name="multigrid algorithm"     type="string"    value="sa"/>
  <Parameter name="reuse: type"             type="string"    value="full"/>
  <Parameter name="transpose: use implicit" type="bool"      value="true"/>
  <Parameter name="sa: damping factor"      type="double"    value="0.1"/> 
  <Parameter name="sa: use filtered matrix" type="bool"      value="true"/>
</ParameterList>
