anchor.diff:      | Travis
       | AppVeyor
       | GitLabCI
  +    | Bamboo
       | LocalBuild
   
   /// The trace mode option.
  
positive.code: /// Defines the XML output file - used for build servers like CruiseControl.NET.
  /// This output file can be specified by using the *logfile* build parameter.
  let mutable xmlOutputFile = getBuildParamOrDefault "logfile" "./output/Results.xml"
  
  /// Checks if we are on Team Foundation
  /// [omit]
  
negative.code:     elif not (isNullOrEmpty appVeyorBuildVersion) then AppVeyor
      elif isGitlabCI then GitLabCI
      elif isTFBuild then TeamFoundation
      elif isBambooBuild then Bamboo
      else LocalBuild
  
  /// The current build version as detected from the current build server.
  