question: public boolean equalsContents ( Object o ) { if ( this == o ) { return true ; } if ( o == null ) { return false ; } if ( o . getClass ( ) != getClass ( ) ) { return false ; } if ( ! super . equalsContents ( o ) ) { return false ; } Referenceable obj = ( Referenceable ) o ; if ( ! traitNames . equals ( obj . getTraits ( ) ) ) { return false ; } return true ; }
target:  Matches traits, values associated with this Referenceable and skips the id match