anchor.diff:  
       Person findBySsn(String ssn);
   
  -} 
  +}
   ------------------------------------------------------------------------
   
   TIP: Annotations on interfaces do not inherit. If the `EntityRepository`
  
positive.code: [source,xml]
  -----------------------------------------------------------------------------------------------------------------------------------------
  <entity-mappings xmlns="http://java.sun.com/xml/ns/persistence/orm"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
          xsi:schemaLocation="http://java.sun.com/xml/ns/persistence/orm http://java.sun.com/xml/ns/persistence/orm_2_0.xsd" version="2.0">
      <persistence-unit-metadata>
          <persistence-unit-defaults>
  
negative.code: public interface PersonRepository extends QueryDslSupport
  {
     ...
  }
  ---------------------------------------------------------
  
  === Implementing the Query Delegate
  