}

// Empty buf through repeated reads into fub.
// The initial contents of buf corresponds to the string s.
func empty(t *testing.T, testname string, buf *Buffer, s string, fub []byte) {
	check(t, testname+" (empty 1)", buf, s)

	for {
		n, err := buf.Read(fub)
		if n == 0 {
			break
		}
		if err != nil {
			t.Errorf(testname+" (empty 2): err should always be nil, found err == %s", err)

        }
        return Optional.empty();
    }

    @Override
    public Optional<Boolean> showVersionAndExit() {
        if (commandLine.hasOption(CLIManager.SHOW_VERSION_AND_EXIT)) {
            return Optional.of(Boolean.TRUE);
        }
        return Optional.empty();
    }

    @Override
    public Optional<Boolean> showVersion() {

     * The default value is empty.
     */
    default Optional<String> module() {
        return Optional.empty();
    }

    /**
     * {@return the version of the platform where the code will be executed}
     * In a Java environment, this is the value of the {@code --release} compiler option.
     * The default value is empty.
     */
    default Optional<Version> targetVersion() {

     *
     * @param modelId The identifier of the model (groupId:artifactId:version) or empty string for the super POM.
     * @return The active profiles for the specified model or an empty list if the model has no active profiles.
     * @since 4.0.0
     */
    @Nonnull
    List<Profile> getActivePomProfiles(String modelId);

    /**

}

// Empty returns true for a target if arn is empty
func (rt replicatedTargetInfo) Empty() bool {
	return rt.Arn == ""
}

type replicatedInfos struct {
	ReplicationTimeStamp time.Time
	Targets              []replicatedTargetInfo
}

func (ri replicatedInfos) CompletedSize() (sz int64) {
	for _, t := range ri.Targets {
		if t.Empty() {
			continue
		}

func (b *Buffer) Peek(n int) ([]byte, error) {
	if b.Len() < n {
		return b.buf[b.off:], io.EOF
	}
	return b.buf[b.off : b.off+n], nil
}

// empty reports whether the unread portion of the buffer is empty.
func (b *Buffer) empty() bool { return len(b.buf) <= b.off }

// Len returns the number of bytes of the unread portion of the buffer;
// b.Len() == len(b.Bytes()).

        }
        return Optional.empty();
    }

    @Override
    @Nonnull
    public Optional<String> modelVersion() {
        if (commandLine.hasOption(CLIManager.MODEL_VERSION)) {
            return Optional.of(commandLine.getOptionValue(CLIManager.MODEL_VERSION));
        }
        return Optional.empty();
    }

    @Override
    @Nonnull

	if spc {
		s.WriteString(KvDoubleQuote)
	}
	return s.String()
}

// KVS - is a shorthand for some wrapper functions
// to operate on list of key values.
type KVS []KV

// Empty - return if kv is empty
func (kvs KVS) Empty() bool {
	return len(kvs) == 0
}

// Clone - returns a copy of the KVS
func (kvs KVS) Clone() KVS {
	return append(make(KVS, 0, len(kvs)), kvs...)
}

  const TF_Output* inputs_ptr = inputs_.empty() ? nullptr : &inputs_[0];
  TF_Tensor* const* input_values_ptr =
      input_values_.empty() ? nullptr : &input_values_[0];

  const TF_Output* outputs_ptr = outputs_.empty() ? nullptr : &outputs_[0];
  TF_Tensor** output_values_ptr =
      output_values_.empty() ? nullptr : &output_values_[0];

  TF_Operation* const* targets_ptr = targets_.empty() ? nullptr : &targets_[0];

		// Test listing an empty directory in recursive mode (62)
		{"test-bucket-empty-dir", "", "", "", 10, resultCases[31], nil, true},
		// Test listing an empty directory in a non recursive mode (63)
		{"test-bucket-empty-dir", "", "", SlashSeparator, 10, resultCases[32], nil, true},
		// Test listing a directory which contains an empty directory (64)