 
      - parameter echoToStdErr: If `true`, ASL will also echo log messages to
      the calling process's `stderr` output stream.
+
+     - parameter addTraceAttributes: If `true`, additional program trace
+     attributes will be included in each message logged to ASL. This will
+     include the filesystem path of the source code file, the source code
+     line of the call site, and the stack frame representing the caller.
+     You probably don't want this included in production code.
      */
-    public init(formatter: LogFormatter, echoToStdErr: Bool = true)
+    public init(formatter: LogFormatter, echoToStdErr: Bool = true, addTraceAttributes: Bool = false)
     {
         self.client = ASLClient(facility: "com.gilt.CleanroomLogger", useRawStdErr: echoToStdErr)
         self.formatters = [formatter]
         self.logLevelTranslator = { _ in return .warning }
+        self.addTraceAttributes = addTraceAttributes
     }
 
     /**


     - parameter echoToStdErr: If `true`, ASL will also echo log messages to
     the calling process's `stderr` output stream.
     */
    public init(logLevelTranslator translator: LogLevelTranslator, formatters: [LogFormatter], echoToStdErr: Bool = true)
    {
        self.client = ASLClient(facility: "com.gilt.CleanroomLogger", useRawStdErr: echoToStdErr)
        self.formatters = formatters
        self.logLevelTranslator = translator
    }

    /**


     - parameter echoToStdErr: If `true`, ASL will also echo log messages to
     the calling process's `stderr` output stream.

     - parameter addTraceAttributes: If `true`, additional program trace
     attributes will be included in each message logged to ASL. This will
     include the filesystem path of the source code file, the source code
     line of the call site, and the stack frame representing the caller.
     You probably don't want this included in production code.
     */
    public init(echoToStdErr: Bool = true, addTraceAttributes: Bool = false)
    {
        self.client = ASLClient(facility: "com.gilt.CleanroomLogger", useRawStdErr: echoToStdErr)
        self.formatters = [XcodeLogFormatter()]
        self.logLevelTranslator = { _ in return .warning }
        self.addTraceAttributes = addTraceAttributes
    }

    /**
