| 1 | export declare class HeadNode<T> {
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| 2 | next: LinkedListNode<T> | TailNode<T>;
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| 3 | constructor();
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| 4 | }
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| 5 | export declare class TailNode<T> {
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| 6 | previous: LinkedListNode<T> | HeadNode<T>;
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| 7 | constructor(head: HeadNode<T>);
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| 8 | }
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| 9 | export declare class LinkedListNode<T> {
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| 10 | next: LinkedListNode<T> | TailNode<T> | null;
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| 11 | previous: LinkedListNode<T> | HeadNode<T> | null;
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| 12 | readonly item: T;
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| 13 | constructor(item: T);
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| 14 | detachSelf(): void;
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| 15 | attachAfter(node: LinkedListNode<T> | HeadNode<T>): void;
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| 16 | attachBefore(node: LinkedListNode<T> | TailNode<T>): void;
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| 17 | }
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| 18 | export declare class LinkedList<T> {
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| 19 | head: HeadNode<T>;
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| 20 | tail: TailNode<T>;
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| 21 | constructor();
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| 22 | add(item: T): LinkedListNode<T>;
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| 23 | getItems(): T[];
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| 24 | forEach(callback: (item: T, node: LinkedListNode<T>) => void): void;
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| 25 | hasItems(): boolean;
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| 26 | getLastItem(): LinkedListNode<T>;
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| 27 | }
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