public CPDLContainsPred(CPDLString original)
 {
     this.original = original;
 }
 public CPDLIsStringPred(CPDLString original)
 {
     this.original = original;
 }
 public CPDLIndOfSet(CPDLString original)
 {
     this.original = original;
 }
 public CPDLBegEndWithPred(CPDLString original)
 {
     this.original = original;
 }
 public CPDLFirstOrLastOccPos(CPDLString original)
 {
     this.original = original;
 }