import { BasicEnumerable } from '../enumerables/BasicEnumerable';
import { ICollection } from '../types';
export declare class Queue<TSource> extends BasicEnumerable<TSource> implements ICollection<TSource> {
    private readonly list;
    constructor();
    constructor(collection: Iterable<TSource>);
    get length(): number;
    clear(): void;
    copyTo(array: TSource[], arrayIndex: number): void;
    dequeue(): TSource;
    enqueue(item: TSource): void;
    peek(): TSource;
    tryDequeue(): TSource | null;
    tryPeek(): TSource | null;
}
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