anchor.diff:  import 'dart:ui';
   
  +import 'package:equatable/equatable.dart';
   import 'package:fl_chart/src/chart/base/base_chart/touch_input.dart';
   import 'package:fl_chart/src/utils/lerp.dart';
   import 'package:flutter/material.dart';
  
positive.code:           lerpDouble(a.titlePositionPercentageOffset, b.titlePositionPercentageOffset, t),
      );
    }
  }
  
  /// Holds data to handle touch events, and touch responses in the [PieChart].
  
negative.code: ///
  /// It holds data needed to draw a pie chart,
  /// including pie sections, colors, ...
  class PieChartData extends BaseChartData  with EquatableMixin {
  
    /// Defines showing sections of the [PieChart].
    final List<PieChartSectionData> sections;
  
  