import fi.uef.cs.tra.BTree; public interface TRAI_25_X4 { /** * Do two in-ordered binary trees contain the same elements or not. * * @param T1 in-ordered binary tree to check * @param T2 in-ordered binary tree to check * @param element type * @return True, if both binary trees contain the same elements, false otherwise. */ public > boolean haveSameElements(BTree T1, BTree T2); }