code: @Override
      public void load(Properties properties) {
          directory = properties.getProperty("mapDBConfiguration.directory");
          cacheSize = Integer.parseInt(properties.getProperty("mapDBConfiguration.cacheSize"));
          compressed = "true".equalsIgnoreCase(properties.getProperty("mapDBConfiguration.compressed"));
          hybridized = "true".equalsIgnoreCase(properties.getProperty("mapDBConfiguration.hybridized"));
          asynchronous = "true".equalsIgnoreCase(properties.getProperty("mapDBConfiguration.asynchronous"));
      }
docs: {@inheritDoc}