Code Duplication    Length = 8-8 lines in 2 locations

DataStructures/Trees/BinaryTreeAbstract.php 2 locations

@@ 277-284 (lines=8) @@
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     * @return DataStructures\Trees\Nodes\BSTNode|null the minimum node or
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     *  null if the tree is empty.
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     */
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    public function deleteMin(BinaryNodeInterface $node = null) {
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        $node = $this->getMinNode($node ?? $this->root);
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        if($node !== null) {
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            $this->_delete($node);
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        }
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        return $node;
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    }
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    /**
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     * Deletes the node with the maximum key and returns it. The most right and more bottom.
@@ 293-300 (lines=8) @@
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     * @return DataStructures\Trees\Nodes\BSTNode|null the maximum node or
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     *  null if the tree is empty.
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     */
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    public function deleteMax(BinaryNodeInterface $node = null) {
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        $node = $this->getMaxNode($node ?? $this->root);
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        if($node !== null) {
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            $this->_delete($node);
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        }
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        return $node;
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    }
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    /**
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     * Deletes the node with the maximum key and returns it. The most right and more bottom.