/// Error context reference count local to a given (sub)component /// /// This reference count is localized to a single (sub)component, /// rather than the global cross-component count (i.e. that determines /// when a error context can be completely removed) #[repr(transparent)] pub struct LocalErrorContextRefCount(pub(crate) usize); /// Error context reference count across a [`ComponentInstance`] /// /// Contrasted to `LocalErrorContextRefCount`, this count is maintained /// across all sub-components in a given component. /// /// When this count is zero it is *definitely* safe to remove an error context. #[repr(transparent)] pub struct GlobalErrorContextRefCount(pub(crate) usize);