pub trait TextViewImplExt: ObjectSubclass {
// Required methods
fn parent_backspace(&self);
fn parent_copy_clipboard(&self);
fn parent_cut_clipboard(&self);
fn parent_delete_from_cursor(&self, type_: DeleteType, count: i32);
fn parent_extend_selection(
&self,
granularity: TextExtendSelection,
location: &TextIter,
start: &mut TextIter,
end: &mut TextIter
) -> Inhibit;
fn parent_insert_at_cursor(&self, text: &str);
fn parent_insert_emoji(&self);
fn parent_move_cursor(
&self,
step: MovementStep,
count: i32,
extend_selection: bool
);
fn parent_paste_clipboard(&self);
fn parent_set_anchor(&self);
fn parent_snapshot_layer(&self, layer: TextViewLayer, snapshot: Snapshot);
fn parent_toggle_overwrite(&self);
}