pub trait CellAreaContextImplExt: ObjectSubclass {
// Required methods
fn parent_reset(&self);
fn parent_preferred_height_for_width(&self, width: i32) -> (i32, i32);
fn parent_preferred_width_for_height(&self, height: i32) -> (i32, i32);
fn parent_allocate(&self, width: i32, height: i32);
}