'Type' is an ambiguous reference between 'GObject.Type' and 'System.Type'

'Type' is an ambiguous reference between 'GObject.Type' and 'System.Type'

'Type' is an ambiguous reference between 'GObject.Type' and 'System.Type'

'Type' is an ambiguous reference between 'GObject.Type' and 'System.Type'

'Type' is an ambiguous reference between 'GObject.Type' and 'System.Type'

'Type' is an ambiguous reference between 'GObject.Type' and 'System.Type'

Process completed with exit code 1.

'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.

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

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

Possible null reference argument for parameter 'func' in 'void OptionGroup.SetTranslateFunc(OptionGroupHandle group, TranslateFunc func, IntPtr data, DestroyNotify destroyNotify)'.

Possible null reference argument for parameter 'destroyNotify' in 'void OptionGroup.SetTranslateFunc(OptionGroupHandle group, TranslateFunc func, IntPtr data, DestroyNotify destroyNotify)'.

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)'.

Possible null reference argument for parameter 'func' in 'void OptionContext.SetTranslateFunc(OptionContextHandle context, TranslateFunc func, IntPtr data, DestroyNotify destroyNotify)'.

Possible null reference argument for parameter 'destroyNotify' in 'void OptionContext.SetTranslateFunc(OptionContextHandle context, TranslateFunc func, IntPtr data, DestroyNotify destroyNotify)'.