public ImmutableSortedMap<K, V> subMap(
      K fromKey, boolean fromInclusive, K toKey, boolean toInclusive) {
    checkNotNull(fromKey);
    checkNotNull(toKey);
    checkArgument(
        comparator().compare(fromKey, toKey) <= 0,
        "expected fromKey <= toKey but %s > %s",
        fromKey,
        toKey);
    return headMap(toKey, toInclusive).tailMap(fromKey, fromInclusive);
  }

  /**

					continue
				}
				if _, f := res[fromKey]; !f {
					res[fromKey] = map[Reference]*Grants{}
				}
				if _, f := res[fromKey][toKey]; !f {
					res[fromKey][toKey] = &Grants{
						AllowedNames: sets.New[string](),
					}
				}
				if to.Name != nil {
					res[fromKey][toKey].AllowedNames.Insert(string(*to.Name))
				} else {
					res[fromKey][toKey].AllowAll = true
				}
			}
		}
	}

	err = ENOSYS
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) {
	var _p0 unsafe.Pointer
	if len(p) > 0 {
		_p0 = unsafe.Pointer(&p[0])
	} else {
		_p0 = unsafe.Pointer(&_zero)
	}
	runtime.EnterSyscall()

//sys   Removexattr(path string, attr string) (err error) = SYS___REMOVEXATTR_A
//sys	recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) = SYS___RECVFROM_A
//sys	sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) = SYS___SENDTO_A