anchor.diff:  
   [source,java]
   ----
  +//ascending is +, descending is -
  +//e.g. sort(+field1, -field2,...)
   String sortExpression = "sort(+employeeNumber)";
   
   DefaultSortParser sortParser = new DefaultSortParser();
  
positive.code: Note: AOTM, this only supports first level fields of the entity or document. But will support embeddable pojo
  and other kinds of nested querydsl path.
  
  [source,java]
  ----
  
  
negative.code: 
  == QueryDSL API Modules
  
  Rql specification used by this library is defined by this http://doc.apsstandard.org/2.1/spec/rql/[reference] and https://github.com/jirutka/rsql-parser[rsql-parser]. +
  Please see for more information about rql expressions.
  
  *  filter - uses https://github.com/jirutka/rsql-parser[rsql-parser] library ast to convert filter string into its querydsl predicate equivalent
  