bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {

		this.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY );

		return this;

	}
Adds an instance of {@link CubicBezierCurve} to the path by connecting
the current point with the given one.

@param {number} aCP1x - The x coordinate of the first control point.
@param {number} aCP1y - The y coordinate of the first control point.
@param {number} aCP2x - The x coordinate of the second control point.
@param {number} aCP2y - The y coordinate of the second control point.
@param {number} aX - The x coordinate of the end point.
@param {number} aY - The y coordinate of the end point.
@return {ShapePath} A reference to this shape path.