text: #import <Cocoa/Cocoa.h>
  #import "CorePlotQCPlugIn.h"
  
  @interface CPPieChartPlugIn : CorePlotQCPlugIn <CPTPieChartDataSource> {
  }
  
  @property (assign) double inputPieRadius;
  @property (assign) double inputSliceLabelOffset;
  @property (assign) double inputStartAngle;
  @property (assign) NSUInteger inputSliceDirection;
  @property (assign) double inputBorderWidth;
  @property (assign) CGColorRef inputBorderColor;
  @property (assign) CGColorRef inputLabelColor;
  
  @end
  