public override string ToString()
 {
     if (PropertyKeysConflict.Length == 1)
     {
         return(format("ON (%1$s:%2$s) ASSERT exists(%3$s)", LabelConflict.name().ToLower(), LabelConflict.name(), PropertyText()));
     }
     else
     {
         return(format("ON (%1$s:%2$s) ASSERT %3$s IS COMPOSITE KEY", LabelConflict.name().ToLower(), LabelConflict.name(), PropertyText()));
     }
 }
 public override string ToString()
 {
     return(format("ON (%1$s:%2$s) ASSERT (%3$s) IS NODE KEY", LabelConflict.name().ToLower(), LabelConflict.name(), PropertyText()));
 }