code: private static void checkPreconditions(final long min, final long max) {
  		if( max < min ) {
  			throw new IllegalArgumentException(String.format("max (%d) should not be < min (%d)", max, min));
  		}
  	}
docs: Checks the preconditions for creating a new LMinMax processor.
  
  @param min
  the minimum value (inclusive)
  @param max
  the maximum value (inclusive)
  @throws IllegalArgumentException
  if {@code max < min}