code: @Override
      public Expression<String> trim(Trimspec arg0, Expression<Character> arg1, Expression<String> arg2)
      {
          // TODO Auto-generated method stub
          return null;
      }
docs: /*
  (non-Javadoc)
  
  @see
  javax.persistence.criteria.CriteriaBuilder#trim(javax.persistence.criteria
  .CriteriaBuilder.Trimspec, javax.persistence.criteria.Expression,
  javax.persistence.criteria.Expression)