Microsoft.CodeAnalysis.Editor.Implementation.Preview.AbstractPreviewFactoryService<TDifferenceViewer>.CreateDifferenceViewAsync(Microsoft.VisualStudio.Text.Differencing.IDifferenceBuffer, Microsoft.VisualStudio.Text.Editor.ITextViewRoleSet, Microsoft.VisualStudio.Text.Differencing.DifferenceViewMode, System.Double, System.Threading.CancellationToken)