diff --git a/CHANGELOG.md b/CHANGELOG.md
index d4de88a..80d7507 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,7 +8,7 @@ All notable changes to this project will be documented in this file.
 - [Semantic Versioning](https://semver.org/spec/v2.0.0.html)
 - [`auto-changelog`](https://github.com/CookPete/auto-changelog)
 
-## [v1.52.6](https://github.com/zrwusa/data-structure-typed/compare/v1.51.5...main) (upcoming)
+## [v1.52.8](https://github.com/zrwusa/data-structure-typed/compare/v1.51.5...main) (upcoming)
 
 ### Changes
 
diff --git a/package-lock.json b/package-lock.json
index 8052e79..8ff3f4e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "data-structure-typed",
-  "version": "1.52.6",
+  "version": "1.52.8",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "data-structure-typed",
-      "version": "1.52.6",
+      "version": "1.52.8",
       "license": "MIT",
       "devDependencies": {
         "@eslint/compat": "^1.2.2",
@@ -23,7 +23,7 @@
         "benchmark": "^2.1.4",
         "binary-tree-typed": "^1.52.6",
         "bst-typed": "^1.52.6",
-        "data-structure-typed": "^1.52.6",
+        "data-structure-typed": "^1.52.7",
         "dependency-cruiser": "^16.5.0",
         "doctoc": "^2.2.1",
         "eslint": "^9.13.0",
@@ -4069,9 +4069,9 @@
       }
     },
     "node_modules/data-structure-typed": {
-      "version": "1.52.6",
-      "resolved": "https://registry.npmjs.org/data-structure-typed/-/data-structure-typed-1.52.6.tgz",
-      "integrity": "sha512-e7qB/JdFgH3S/VuZCc1KOHluLrJor18dCxxsdhP42qc6gvAPjuzTJTIqi9Lezwk3n6QXO/RTE5zQ4GdogtK3Bg==",
+      "version": "1.52.7",
+      "resolved": "https://registry.npmjs.org/data-structure-typed/-/data-structure-typed-1.52.7.tgz",
+      "integrity": "sha512-j5ckg8Um4PfYD/GM6QJZ0Y28rgatecVADPRXgkETq0RqALPt8296om7lTKmw9VXNn6a2xs+7q6YlmTfS82h2Gw==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/package.json b/package.json
index 67d4d74..3de517d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "data-structure-typed",
-  "version": "1.52.7",
+  "version": "1.52.8",
   "description": "Javascript Data Structure. Heap, Binary Tree, Red Black Tree, Linked List, Deque, Trie, HashMap, Directed Graph, Undirected Graph, Binary Search Tree(BST), AVL Tree, Priority Queue, Graph, Queue, Tree Multiset, Singly Linked List, Doubly Linked List, Max Heap, Max Priority Queue, Min Heap, Min Priority Queue, Stack. Benchmark compared with C++ STL. API aligned with ES6 and Java.util. Usability is comparable to Python",
   "main": "dist/cjs/index.js",
   "module": "dist/mjs/index.js",
@@ -72,7 +72,7 @@
     "benchmark": "^2.1.4",
     "binary-tree-typed": "^1.52.6",
     "bst-typed": "^1.52.6",
-    "data-structure-typed": "^1.52.6",
+    "data-structure-typed": "^1.52.7",
     "dependency-cruiser": "^16.5.0",
     "doctoc": "^2.2.1",
     "eslint": "^9.13.0",
diff --git a/src/interfaces/binary-tree.ts b/src/interfaces/binary-tree.ts
index 8371922..0f39032 100644
--- a/src/interfaces/binary-tree.ts
+++ b/src/interfaces/binary-tree.ts
@@ -4,7 +4,6 @@ import type {
   BinaryTreeNested,
   BinaryTreeNodeNested,
   BinaryTreeOptions,
-  BTNCallback,
   BTNKeyOrNodeOrEntry,
   BTNPredicate
 } from '../types';
diff --git a/src/types/data-structures/binary-tree/binary-tree.ts b/src/types/data-structures/binary-tree/binary-tree.ts
index 4e2ae7f..702a054 100644
--- a/src/types/data-structures/binary-tree/binary-tree.ts
+++ b/src/types/data-structures/binary-tree/binary-tree.ts
@@ -1,6 +1,6 @@
 import { BinaryTree, BinaryTreeNode } from '../../../data-structures';
 import { IterationType, OptValue } from '../../common';
-import {DFSOperation} from "bst-typed";
+import { DFSOperation } from '../../../constants';
 
 export type BinaryTreeNodeNested<K, V> = BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, BinaryTreeNode<K, V, any>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>