import type TreeIterator from './TreeIterator';
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import { Container } from "../../ContainerBase";
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declare abstract class TreeContainer<K, V> extends Container<K | [K, V]> {
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clear(): void;
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/**
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* @description Update node's key by iterator.
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* @param iter - The iterator you want to change.
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* @param key - The key you want to update.
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* @returns Whether the modification is successful.
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* @example
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* const st = new orderedSet([1, 2, 5]);
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* const iter = st.find(2);
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* st.updateKeyByIterator(iter, 3); // then st will become [1, 3, 5]
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*/
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updateKeyByIterator(iter: TreeIterator<K, V>, key: K): boolean;
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eraseElementByPos(pos: number): number;
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/**
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* @description Remove the element of the specified key.
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* @param key - The key you want to remove.
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* @returns Whether erase successfully.
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*/
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eraseElementByKey(key: K): boolean;
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eraseElementByIterator(iter: TreeIterator<K, V>): TreeIterator<K, V>;
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forEach(callback: (element: K | [K, V], index: number, tree: TreeContainer<K, V>) => void): void;
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getElementByPos(pos: number): K | [K, V];
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/**
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* @description Get the height of the tree.
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* @returns Number about the height of the RB-tree.
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*/
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getHeight(): number;
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/**
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* @param key - The given key you want to compare.
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* @returns An iterator to the first element less than the given key.
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*/
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abstract reverseUpperBound(key: K): TreeIterator<K, V>;
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/**
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* @description Union the other tree to self.
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* @param other - The other tree container you want to merge.
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* @returns The size of the tree after union.
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*/
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abstract union(other: TreeContainer<K, V>): number;
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/**
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* @param key - The given key you want to compare.
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* @returns An iterator to the first element not greater than the given key.
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*/
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abstract reverseLowerBound(key: K): TreeIterator<K, V>;
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/**
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* @param key - The given key you want to compare.
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* @returns An iterator to the first element not less than the given key.
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*/
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abstract lowerBound(key: K): TreeIterator<K, V>;
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/**
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* @param key - The given key you want to compare.
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* @returns An iterator to the first element greater than the given key.
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*/
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abstract upperBound(key: K): TreeIterator<K, V>;
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}
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export default TreeContainer;
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