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backend/node_modules/denque/index.d.ts

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+declare class Denque<T = any> {
+  length: number;
+
+  constructor();
+
+  constructor(array: T[]);
+
+  constructor(array: T[], options: IDenqueOptions);
+
+  push(item: T): number;
+
+  unshift(item: T): number;
+
+  pop(): T | undefined;
+
+  shift(): T | undefined;
+
+  peekBack(): T | undefined;
+
+  peekFront(): T | undefined;
+
+  peekAt(index: number): T | undefined;
+
+  get(index: number): T | undefined;
+
+  remove(index: number, count: number): T[];
+
+  removeOne(index: number): T | undefined;
+
+  splice(index: number, count: number, ...item: T[]): T[] | undefined;
+
+  isEmpty(): boolean;
+
+  clear(): void;
+
+  size(): number;
+
+  toString(): string;
+
+  toArray(): T[];
+}
+
+interface IDenqueOptions {
+  capacity?: number
+}
+
+export = Denque;