anchor.diff:    /// Compared to [FloatingActionButtonLocation.centerFloat], floating action
     /// buttons using this location will move vertically down
     /// by [kMiniButtonOffsetAdjustment].
  +  ///
  +  /// ![](https://flutter.github.io/assets-for-api-docs/assets/material/floating_action_button_location_mini_center_float.png)
     static const FloatingActionButtonLocation miniCenterFloat = _MiniCenterFloatFabLocation();
   
     /// End-aligned [FloatingActionButton], floating at the bottom of the screen.
  
positive.code:   ///
    /// This is unlikely to be a useful location for apps that lack a bottom
    /// navigation bar.
    static const FloatingActionButtonLocation startDocked = _StartDockedFabLocation();
  
    /// Start-aligned [FloatingActionButton], floating over the
  
negative.code:   ///
    /// This is unlikely to be a useful location for apps that lack a top [AppBar]
    /// or that use a [SliverAppBar] in the scaffold body itself.
    ///
    /// ![](https://flutter.github.io/assets-for-api-docs/assets/material/floating_action_button_location_start_top.png)
    static const FloatingActionButtonLocation startTop = _StartTopFabLocation();
  
    /// Start-aligned [FloatingActionButton], floating over the transition between
  