code: protected final void initializeSystemConfiguration() {
          try {
              attemptSystemConfiguration();
          } catch (IOException e) {
              // Can't recover from this
              final String err = SYSCFG_READ_FAILURE;
              throw new BELRuntimeException(err, ExitCode.UNRECOVERABLE_ERROR, e);
          }
      }
docs: Initializes the system configuration from either {@link #SHRT_OPT_SYSCFG}
  or system defaults.
  <p>
  This method will initialize the system configuration or die trying.
  </p>
  
  @throws IOException Thrown if an I/O error occurs during initialization
  of the system configuration
  @see #attemptSystemConfiguration()