anchor.diff:    @Input()
     bool cancelDisplayed = true;
   
  +  /// If set to true, the toolbelt buttons will listen for Enter `keyup` events
  +  /// and trigger the `yes` action on them.
     @Input()
     bool enterAccepts = false;
   
  
positive.code:   String secondaryText;
  
    /// An optional icon name to replace the expand arrows with a custom icon.
    ///
    /// If a custom icon is used, then the icon disappears when the panel is
    /// expanded. By default, the expand icon is "expand_less."
    String _expandIcon;
    String get expandIcon => _expandIcon ?? _defaultExpandIcon;
  
    @Input()
    set expandIcon(String expandIcon) => _expandIcon = expandIcon;
  
    /// If true, the expand icon should always be visible regardless whether a
    /// custom icon is used.
  
negative.code: /// takes into account the state of the other panels in the set, and issues the
  /// appropriate actions onto each individual panel.
  ///
  /// __Attributes:__
  ///
  ///  - `wide` -- When specified the width of the panel when expanded, is
  ///    slightly wider then its width when collapsed.
  ///  - `flat` -- Indicates that the panel should not "float" or separate from
  ///    other panels when expanded.
  ///
  @Component(
    selector: 'material-expansionpanel',
  