usestd::sync::Arc;/// Prevents downstream crates from implementing `DPoP` traits.
////// Customise `DPoP` behaviour via the signer given to [`super::DPoP`] /
/// [`super::ResourceDPoP`] rather than implementing the traits directly.
pubtraitSealed{}impl<T: Sealed +?Sized> Sealedfor&T{}impl<T: Sealed +?Sized> SealedforBox<T>{}impl<T: Sealed +?Sized> SealedforArc<T>{}