«pacte successoral», un accord, y compris un accord résultant de testaments mutuels, qui confère, modifie ou retire, avec ou sans contre-prestation, des droits dans la succession future d'une ou de plusieurs personnes parties au pacte;
‘agreement as to succession’ means an agreement, including an agreement resulting from mutual wills, which, with or without consideration, creates, modifies or terminates rights to the future estate or estates of one or more persons party to the agreement;