code: protected function getFilterForComparingOperator($operation)
      {
          $this->parameter[]  = $operation['value'];
          $this->procedures[] = sprintf('(%s %s ?)', $operation['property'], $operation['operation']);
  
          return $this;
      }
docs: Build the sub query for a comparing operator like =,<,>.
  
  @param array $operation The operation to apply.
  
  @return FilterBuilderSql