namespace Other {
  export abstract class ILegend
  {
    protected legendWidth: number = 244;

    public get width(): number { return this.legendWidth; }
  }

  export class Canvas
  {
    protected width: number;
  }

  export class FoLegend extends ILegend
  {
  }

  export class Legend extends ILegend
  {
  }


  export abstract class Chart extends Canvas
  {
    protected static readonly svgcMargin: number = 10;

    protected legend: ILegend;

    constructor(foreignObjectSupported: boolean)
    {
      super();

      if (foreignObjectSupported)
        this.legend = new FoLegend();
      else
        this.legend = new Legend();
    }

    // This is the line it should error on.
    protected get legendXPosition(): number { return this.width - (Chart.svgcMargin + this.legend.width); }
  }

  export class PieChart extends Chart
  {
    public getAvailableWidth(): number
    {
      // This is the line it should error on.
      return this.width - (this.legend.width + Chart.svgcMargin);
    }
  }

  export class BarChart extends Chart
  {
    public getAvailableWidth(): number
    {
      // This is the line it should error on.
      return this.width - (this.legend.width + Chart.svgcMargin);
    }
  }

  export class PointChart extends Chart
  {
    public getAvailableWidth(): number
    {
      // This is the line it should error on.
      return this.width - (this.legend.width + Chart.svgcMargin);
    }
  }
}