pub trait GuiTableColumnExt<T: HasIDispatch = Self>: HasIDispatch<T> {
// Provided methods
fn default_tooltip(&self) -> Result<String> { ... }
fn fixed(&self) -> Result<bool> { ... }
fn icon_name(&self) -> Result<String> { ... }
fn selected(&self) -> Result<bool> { ... }
fn title(&self) -> Result<String> { ... }
fn tooltip(&self) -> Result<String> { ... }
}