What got destroyed in the library of the Egyptian city of Alexandria?

The Library of Alexandria, one of the most famous libraries of the ancient world, was believed to have housed a vast collection of texts and scrolls, including works of literature, philosophy, science, and history. It is widely thought that the library was destroyed in a series of events over several centuries, including fires and invasions, leading to the loss of countless invaluable works, many of which were never recovered. This destruction significantly impacted the preservation of ancient knowledge and scholarship. The exact details and timeline of the library's destruction remain subjects of historical debate.