/** Proxy to {@link VariableContext#readVariableProperty(Variable, QName)}. */
 public String readProperty(VariableInstance variable, OProcess.OProperty property)
     throws FaultException {
   try {
     return _brc.readVariableProperty(variable, property.name);
   } catch (UninitializedVariableException e) {
     throw new FaultException(_runtime._oprocess.constants.qnUninitializedVariable);
   }
 }