+- (BOOL)castsShadow;
+- (void)setCastsShadow:(BOOL)newSetting;
+
+- (float)shadowElevation; /* Light source elevation in degrees. Defaults to 45.0 */
+- (void)setShadowElevation:(float)newElevation;
+
+- (float)shadowAzimuth; /* Light source azimuth in degrees. Defaults to 90.0 */
+- (void)setShadowAzimuth:(float)newAzimuth;
+
+- (float)shadowAmbient; /* Amount of ambient light. Defaults to 0.15 */
+- (void)setShadowAmbient:(float)newAmbient;
+
+- (float)shadowHeight; /* Height above the canvas. Defaults to 1.0 */
+- (void)setShadowHeight:(float)newHeight;
+
+- (float)shadowRadius; /* Blur radius. Defaults to 4.0 */
+- (void)setShadowRadius:(float)newRadius;
+
+- (float)shadowSaturation; /* Maximum saturation. Defaults to 1.0 */
+- (void)setShadowSaturation:(float)newSaturation;
+
+@end
\ No newline at end of file