             }
         }
 
-        @inlinable
+        @inlinable // This is @inlinable as a generic, trivially forwarding function.
         func withInteriorPointerReference<T>(_ work: (NSData) throws -> T) rethrows -> T {
             switch self {
             case .empty:

            }
        }

        @inlinable
        init(capacity: Int) {
            if capacity == 0 {
                self = .empty

            }
        }

        @inlinable // This is @inlinable as reasonably small.
        mutating func resetBytes(in range: Range<Index>) {
            switch self {
            case .empty:
