'Uri.ToString()' hides inherited member 'object.ToString()'. To make the current member override that implementation, add the override keyword. Otherwise add the new keyword.

'Variant.GetType()' hides inherited member 'object.GetType()'. Use the new keyword if hiding was intended.

Converting null literal or possible null value to non-nullable type.

Possible null reference argument for parameter 'func' in 'ThreadPoolOwnedHandle ThreadPool.NewFull(Func func, IntPtr userData, DestroyNotify itemFreeFunc, int maxThreads, bool exclusive, out ErrorOwnedHandle error)'.

Possible null reference argument for parameter 'itemFreeFunc' in 'ThreadPoolOwnedHandle ThreadPool.NewFull(Func func, IntPtr userData, DestroyNotify itemFreeFunc, int maxThreads, bool exclusive, out ErrorOwnedHandle error)'.

Converting null literal or possible null value to non-nullable type.

Converting null literal or possible null value to non-nullable type.

Converting null literal or possible null value to non-nullable type.

Possible null reference argument for parameter 'func' in 'void Source.SetCallback(SourceHandle source, SourceFunc func, IntPtr data, DestroyNotify notify)'.