question: public Contentlet executeSafeFirst ( ) { List < Contentlet > result = executeSafe ( ) ; if ( result . size ( ) > 0 ) { return result . get ( 0 ) ; } return null ; }
target:  Executes the query and returns the first result. Can be used when you are sure that the query returns exactly one result, for instance when the query contains an identifier limitation or when the limit is set to 1.