api/src/main/java/org/ocpsoft/rewrite/config/Conditions.java
static void incrementNegationCount(final EvaluationContext context, int adjustment)
   {
      if (context == null)
         return;

      Integer count = Conditions.getNegationCount(context);
      count += adjustment;
      context.put(NEGATION_COUNT_KEY, count);
   }
static void incrementNegationCount(final EvaluationContext context, int adjustment)
   {
      if (context == null)
         return;

      Integer count = Conditions.getNegationCount(context);
      count += adjustment;
      context.put(NEGATION_COUNT_KEY, count);
   }
This increments the number of negations, allowing us to determine (during evaluation) whether the results of a particular
{@link Condition} will be negated.