p1.update(p2);

        assertEquals(2, (Object) p1.size());
        Object o23 = p1.getComments("trees");
        assertEquals(List.of("#", "# List of trees", "#"), o23);
        Object o22 = p1.getProperty("trees");
        assertEquals("fir, oak, maple", o22);
        Object o21 = p1.getComments("fruits");
        assertEquals(List.of("#", "# List of good fruits", "#"), o21);

	for _, test := range tests {
		// write a zip file
		buf := new(bytes.Buffer)
		w := NewWriter(buf)
		if err := w.SetComment(test.comment); err != nil {
			if test.ok {
				t.Fatalf("SetComment: unexpected error %v", err)
			}
			continue
		} else {
			if !test.ok {
				t.Fatalf("SetComment: unexpected success, want error")
			}
		}

		if err := w.Close(); test.ok == (err != nil) {
			t.Fatal(err)
		}

            List<String> comments = properties.getComments(key);
            List<String> value = properties.getRaw(key);
            if (v == null) {
                this.put(key, comments, value);
                modified = true;
            } else if (!v.equals(properties.get(key))) {
                if (comments.isEmpty()) {
                    comments = this.getComments(key);
                }

            properties.put("license." + i + ".name", license.getName());
            properties.put("license." + i + ".url", license.getUrl());
            properties.put("license." + i + ".comments", license.getComments());
            properties.put("license." + i + ".distribution", license.getDistribution());
        }

        result.setProperties(properties);

        setArtifactProperties(result, model);
    }

// Calling Flush is not normally necessary; calling Close is sufficient.
func (w *Writer) Flush() error {
	return w.cw.w.(*bufio.Writer).Flush()
}

// SetComment sets the end-of-central-directory comment field.
// It can only be called before [Writer.Close].
func (w *Writer) SetComment(comment string) error {
	if len(comment) > uint16max {
		return errors.New("zip: Writer.Comment too long")
	}
	w.comment = comment
	return nil
}