pub trait Callable: Info {
// Required methods
fn name(&self) -> &str;
fn c_identifier(&self) -> Option<&str>;
fn shadows(&self) -> Option<&str>;
fn shadowed_by(&self) -> Option<&str>;
fn moved_to(&self) -> Option<&str>;
fn async_func(&self) -> Option<&str>;
fn finish_func(&self) -> Option<&str>;
fn sync_func(&self) -> Option<&str>;
}