Possible null reference argument for parameter 'visual' in 'Visual? VisualExtensions.GetVisualParent(Visual visual)'.

Possible null reference argument for parameter 'item' in 'bool ICollection<Visual>.Remove(Visual item)'.

Possible null reference argument for parameter 'item' in 'bool ICollection<Visual>.Remove(Visual item)'.

Possible null reference return.

Possible null reference argument for parameter 'file' in 'LspIndentationStrategy.LspIndentationStrategy(TextEditorOptions options, LanguageService languageS, IFile file)'.

Possible null reference argument for parameter 'file' in 'LspFoldingStrategy.LspFoldingStrategy(LanguageService ls, IFile file)'.

Non-nullable property 'File' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Possible null reference argument for parameter 'value' in 'bool string.StartsWith(string value)'.

Nullability of reference types in return type of 'IImage? ProjectEntry.Icon.get' doesn't match implicitly implemented member 'IImage IProjectEntry.Icon.get' (possibly because of nullability attributes).