pub trait KeyboardEventTrait: KeyboardEventTraitConst {
fn as_raw_mut_KeyboardEvent(&mut self) -> *mut c_void;
fn set_action(&mut self, val: KeyboardEvent_Action) { ... }
fn set_symbol(&mut self, val: &str) { ... }
fn set_code(&mut self, val: u8) { ... }
fn set_modifiers(&mut self, val: i32) { ... }
}