// swift-foundation @_spi(SwiftCorelibsFoundation) dynamic public func _cfStringEncodingConvert(string: String, using encoding: UInt, allowLossyConversion: Bool) -> Data? { ... } // swift-corelibs-foundation @_dynamicReplacement(for: _cfStringEncodingConvert(string:using:allowLossyConversion:)) private func _cfStringEncodingConvert_corelibs_foundation(string: String, using encoding: UInt, allowLossyConversion: Bool) -> Data? { ... }