code: @Cmd
  	public void resetFixedData(final String dataSetKey, final String entryKey) {
  		if (dataSetKey == null) {
  			log.info("Resetting all fixed values.");
  			dataSourceProvider.get().resetFixedValues();
  			return;
  		}
  
  		String resolvedDataSetKey = resolveProperty(dataSetKey);
  		if (entryKey == null) {
  			log.info("Resetting fixed values for data set '{}'", resolvedDataSetKey);
  			dataSourceProvider.get().resetFixedValues(resolvedDataSetKey);
  			return;
  		}
  
  		String resolvedEntryKey = resolveProperty(entryKey);
  		log.info("Resetting fixed value for data set '{}' and entry '{}'", resolvedDataSetKey, resolvedEntryKey);
  		dataSourceProvider.get().resetFixedValue(resolvedDataSetKey, resolvedEntryKey);
  	}
docs: Resets fixed values in the data source for the {@link DataSet} with the specified key and the
  entry with the specified key.
  
  @param dataSetKey
  if {@code null}, all fixed values are reset
  @param entryKey
  if {@code null}, all fixed values in the {@link DataSet} are reset