code: public static boolean containsCriticalErrors( Collection<? extends RoboconfError> errors ) {
  
  		boolean result = false;
  		for( RoboconfError error : errors ) {
  			if(( result = error.getErrorCode().getLevel() == ErrorLevel.SEVERE ))
  				break;
  		}
  
  		return result;
  	}
docs: Determines whether a collection of errors contains at least one critical error.
  @param errors a non-null collection of errors
  @return true if at least one critical error, false otherwise