anchor.diff:  /// This template is used for Dart 2.
   const String deferredBoilerplateDart2 = '''
   function(inherit, inheritMany, mixin, lazy, makeConstList, convertToFastObject,
  -         installTearOff, setFunctionNamesIfNecessary, updateHolder, updateTypes,
  +         hunkHelpers, setFunctionNamesIfNecessary, updateHolder, updateTypes,
            setOrUpdateInterceptorsByTag, setOrUpdateLeafTags,
            #embeddedGlobalsObject, holdersList, #staticState) {
   
  
positive.code: #deferredGlobal[#softId] =
    function(holdersList, #embeddedGlobalsObject, #staticState,
             inherit, inheritMany, mixin,
             installTearOff) {
  
  // Installs the holders as local variables.
  #installHoldersAsLocals;
  
negative.code:     }
    }
  
    /// Wraps the statement in a named function to that it shows up as a unit in
    /// profiles.
    // TODO(sra): Should this be conditional?
  