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using System;
namespace Priority_Queue
{
/// <summary>
/// Credit: https://github.com/BlueRaja/High-Speed-Priority-Queue-for-C-Sharp
/// A helper-interface only needed to make writing unit tests a bit easier (hence the 'internal' access modifier)
/// </summary>
internal interface IFixedSizePriorityQueue<TItem, in TPriority> : IPriorityQueue<TItem, TPriority>
where TPriority : IComparable<TPriority>
{
/// <summary>
/// Resize the queue so it can accept more nodes. All currently enqueued nodes are remain.
/// Attempting to decrease the queue size to a size too small to hold the existing nodes results in undefined behavior
/// </summary>
void Resize(int maxNodes);
/// <summary>
/// Returns the maximum number of items that can be enqueued at once in this queue. Once you hit this number (ie. once Count == MaxSize),
/// attempting to enqueue another item will cause undefined behavior.
/// </summary>
int MaxSize { get; }
}
}
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