trait PixmapToImageRef<'a> {
// Required methods
fn as_image_ref(&'a self) -> ImageRef<'a>;
fn as_image_ref_mut(&'a mut self) -> ImageRefMut<'a>;
}trait PixmapToImageRef<'a> {
// Required methods
fn as_image_ref(&'a self) -> ImageRef<'a>;
fn as_image_ref_mut(&'a mut self) -> ImageRefMut<'a>;
}