public void Write()

in TeamCity.MSBuild.Logger/TeamCityHierarchicalMessageWriter.cs [246:275]
26 lines of code
7 McCabe index (conditional complexity)

            public void Write([NotNull] string message, MessageState messageState)
            {
                if (message == null) throw new ArgumentNullException(nameof(message));
                // ReSharper disable once SwitchStatementHandlesSomeKnownEnumValuesWithDefault
                switch (messageState)
                {
                    case MessageState.Warning:
                        _writer.WriteWarning(message);
                        break;

                    case MessageState.Error:
                        if ( _eventContext.TryGetEvent(out var buildEventManager)
                             && buildEventManager is BuildErrorEventArgs buildErrorEventArgs)
                        {
                            var errorId = $"{GetProperty(buildErrorEventArgs.SenderName, string.Empty)}{GetProperty(buildErrorEventArgs.Code)},{buildErrorEventArgs.LineNumber},{buildErrorEventArgs.ColumnNumber}{GetProperty(GetFileName(buildErrorEventArgs.ProjectFile))}{GetProperty(GetFileName(buildErrorEventArgs.File))}";
                            errorId = errorId.Length >= 60 ? errorId.Substring(0, 59) : errorId;
                            _writer.WriteBuildProblem(errorId,  message);
                        }
                        else
                        {
                            _writer.WriteError(message);
                        }
                        
                        break;

                    default:
                        _writer.WriteMessage(message);
                        break;
                }
            }