anchor.diff:    /// filter which diagnostics are shown.
     off,
   }
  +
   /// Styles for displaying a node in a [DiagnosticsNode] tree.
  +///
  +/// In release mode, these styles may be ignored, as diagnostics are compacted
  +/// or truncated to save on binary size.
   ///
   /// See also:
   ///
  
positive.code:   ///
    /// `minLevel` specifies the minimum [DiagnosticLevel] for properties included
    /// in the output.
    @override
    String toString({
      TextTreeConfiguration parentConfiguration,
  
negative.code:   ///
    /// The [toStringDeep] method takes other arguments, but those are intended
    /// for internal use when recursing to the descendants, and so can be ignored.
    ///
    /// In release mode, far less information is retained and some information may
    /// not print at all.
    ///
    /// See also:
    ///
  