pkg math/bits, func TrailingZeros8(uint8) int
pkg mime, var ErrInvalidMediaParameter error
pkg mime/multipart, type FileHeader struct, Size int64
pkg mime/multipart, var ErrMessageTooLarge error
pkg net, method (*IPConn) SyscallConn() (syscall.RawConn, error)
pkg net, method (*TCPConn) SyscallConn() (syscall.RawConn, error)
pkg net, method (*UDPConn) SyscallConn() (syscall.RawConn, error)

		// Developer images are specific to major.minor ios version.
		// Cut off the patch version.
		iosVer = strings.Join(verSplit[:2], ".")
	}
	sdkBase := "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport"
	patterns := []string{fmt.Sprintf("%s (%s)", iosVer, buildVer), fmt.Sprintf("%s (*)", iosVer), fmt.Sprintf("%s*", iosVer)}
	for _, pattern := range patterns {