internal ImmutableArray <Diagnostic> GetDiagnosticsIncludingSuppressions(TextSpan?span = null, CancellationToken cancellationToken = default(CancellationToken)) { return(Compilation.GetDiagnosticsForSyntaxTree( CompilationStage.Compile, this.SyntaxTree, span, includeEarlierStages: true, includeDiagnosticsWithSourceSuppression: true, cancellationToken: cancellationToken)); }