/// <summary>
/// Prepends the specified visual properties to the current matrix.
/// </summary>
/// <param name="alpha">desired alpha value</param>
/// <param name="shadow">desired shadow value</param>
/// <param name="compositeOperation">desired composite operation value</param>
/// <returns>This matrix. Useful for chaining method calls.</returns>
public Matrix2D prependProperties(JsNumber alpha, Shadow shadow, JsString compositeOperation) { return null; }
/// <summary>
/// Reinitializes all matrix properties to those specified.
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
/// <param name="c"></param>
/// <param name="d"></param>
/// <param name="tx"></param>
/// <param name="ty"></param>
/// <param name="alpha">desired alpha value</param>
/// <param name="shadow">desired shadow value</param>
/// <param name="compositeOperation">desired composite operation value</param>
/// <returns>This matrix. Useful for chaining method calls.</returns>
public Matrix2D appendProperties(JsNumber a, JsNumber b, JsNumber c, JsNumber d, JsNumber tx, JsNumber ty, JsNumber alpha, Shadow shadow, JsString compositeOperation) { return null; }