//! Shared utilities. The framework-agnostic helpers (`FourCharCode`,
//! `ffi_string_*`, completion handlers, panic-safe wrappers) now live in
//! `apple_cf::utils` and are re-exported here for backward compatibility.
//!
//! `error.rs` is intentionally NOT migrated — it carries SCStream-specific
//! error variants that don't belong in the framework-agnostic foundation.
pub use ;
pub use FourCharCode;