Current capacity of the queue - the size of the buffer.

The number of items in the queue.

Returns false, to indicate that this queue is not read-only.

Returns false, to indicate that this queue is not synchronized.

Indexer for the class, allowing items to be retrieved by index and replaced.

An object reference to synchronize on when using the queue from multiple threads. This reference isn't used anywhere in the class itself. The same reference will always be returned for the same queue, and this will never be the same as the reference returned for a different queue, even a clone.