code: function filterWhere(q, filter) {
      if (typeof filter !== 'object' || filter.where === undefined)
        return;
  
      if (Object.keys(filter.where).length !== 0) {
        check(q, filter.where);
        q.where(filter.where);
      }
    }
docs: converts from loopback filter sintax to akera-api filter sintax(lte-lt,gte-gt,etc..);