pub trait DevicePadExt: 'static {
// Required methods
fn get_feature_group(
&self,
feature: DevicePadFeature,
feature_idx: i32,
) -> i32;
fn get_group_n_modes(&self, group_idx: i32) -> i32;
fn get_n_features(&self, feature: DevicePadFeature) -> i32;
fn get_n_groups(&self) -> i32;
}