code: @Override
      public JsonNode visit(Comparator op, JsonNode input) {
          JsonNode lhsNode = op.getLhsExpr().accept(this, input);
          JsonNode rhsNode = op.getRhsExpr().accept(this, input);
  
          if (op.matches(lhsNode, rhsNode)) {
              return BooleanNode.TRUE;
          }
          return BooleanNode.FALSE;
      }
docs: Evaluate the expressions as per the given comparison
  operator.
  
  @param op    JmesPath comparison operator type
  @param input Input json node against which evaluation is done
  @return Result of the comparison