pub trait CanvasPatternMethods<D>where
    D: DomTypes,{
    // Required method
    fn SetTransform(&self, transform: &DOMMatrix2DInit) -> Result<(), Error>;
}pub trait CanvasPatternMethods<D>where
    D: DomTypes,{
    // Required method
    fn SetTransform(&self, transform: &DOMMatrix2DInit) -> Result<(), Error>;
}