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use ref_cast::{ref_cast_custom, RefCast, RefCastCustom};
#[derive(RefCast, RefCastCustom)]
#[repr(transparent)]
pub struct Public {
private: Private,
}
struct Private;
impl Public {
#[ref_cast_custom]
fn ref_cast(private: &Private) -> &Public;
#[ref_cast_custom]
fn ref_cast_mut(private: &mut Private) -> &mut Public;
}
fn main() {}