pub trait GuiDockShellExt<T: HasIDispatch = Self>: HasIDispatch<T> {
// Provided methods
fn acc_description(&self) -> Result<String> { ... }
fn docker_is_vertical(&self) -> Result<bool> { ... }
fn docker_pixel_size(&self) -> Result<i32> { ... }
fn set_docker_pixel_size(&self, value: i32) -> Result<()> { ... }
}