of an interface type or of elements of a composite type remains unchanged:
</p>

<pre>
// A Mutex is a data type with two methods, Lock and Unlock.
type Mutex struct         { /* Mutex fields */ }
func (m *Mutex) Lock()    { /* Lock implementation */ }
func (m *Mutex) Unlock()  { /* Unlock implementation */ }

// NewMutex has the same composition as Mutex but its method set is empty.
type NewMutex Mutex

pkg syscall (darwin-arm64), func Mlockall(int) error
pkg syscall (darwin-arm64), func Mmap(int, int64, int, int, int) ([]uint8, error)
pkg syscall (darwin-arm64), func Mprotect([]uint8, int) error
pkg syscall (darwin-arm64), func Munlock([]uint8) error
pkg syscall (darwin-arm64), func Munlockall() error
pkg syscall (darwin-arm64), func Munmap([]uint8) error
pkg syscall (darwin-arm64), func Open(string, int, uint32) (int, error)

pkg syscall (netbsd-arm64-cgo), type Rusage struct, Nswap int64
pkg syscall (netbsd-arm64-cgo), type Rusage struct, Nvcsw int64
pkg syscall (netbsd-arm64-cgo), type Rusage struct, Oublock int64
pkg syscall (netbsd-arm64-cgo), type Rusage struct, Stime Timeval
pkg syscall (netbsd-arm64-cgo), type Rusage struct, Utime Timeval
pkg syscall (netbsd-arm64-cgo), type SockaddrDatalink struct