What are the xml files that appear when adding a nuget package?

Question

C++ / C#

When adding some nuget packages, an xml file is also added along with the dll:

What are they for? I tried to remove them, there were no failures in the program (console application).

Answer 1

These are Development Hint Files. Look at their structure. In general, delete without problems, by the way, when publishing, they should not fall into the assembly folder