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));
}