anchor.diff:  /// that does.
   external bool debugger({bool when: true, String msg});
   
  -/// Send a reference to [object] to any attached debuggers so they may open an
  -/// inspector on the object. Returns the argument.
  +/// Send a reference to [object] to any attached debuggers.
  +/// 
  +/// Debuggers may open an inspector on the object. Returns the argument.
   external inspect(object);
  
positive.code: // for details. All rights reserved. Use of this source code is governed by a
  // BSD-style license that can be found in the LICENSE file.
  
  /// ## Status: Unstable
  ///
  /// The dart:developer library is unstable and its API might change slightly
  /// as a result of developer feedback. This library is platform dependent and
  /// therefore it has implementations for both dart2js and the Dart VM. Both are
  /// under development and may not support all operations yet.
  
negative.code: 
  part 'profiler.dart';
  
  /// If [when] is true, stop the program as if a breakpoint were hit at the
  /// following statement.
  /// 
  /// Returns the value of [when]. Some debuggers may
  /// display [msg].
  /// 
  /// NOTE: When invoked, the isolate will not return until a debugger
  /// continues execution. When running in the Dart VM the behaviour is the same
  /// regardless of whether or not a debugger is connected. When compiled to
  