public interface PieChart
FacetChart.getPieStartAngle(), 
FacetChart.getPieSliceProperties(), 
FacetChart.getPieBorderProperties(), 
FacetChart.getPieRingBorderProperties(), 
FacetChart.getShowDoughnut(), 
FacetChart.getDoughnutRatio(), 
FacetChart.getDoughnutHoleProperties(), 
FacetChart.getPieLabelLineProperties(), 
FacetChart.getPieLabelAngleStart(), 
FacetChart.getPieLabelLineExtent()