return ip.string6()
	}
}

// AppendTo appends a text encoding of ip,
// as generated by [Addr.MarshalText],
// to b and returns the extended buffer.
func (ip Addr) AppendTo(b []byte) []byte {
	switch ip.z {
	case z0:
		return b
	case z4:
		return ip.appendTo4(b)
	default:
		if ip.Is4In6() {
			return ip.appendTo4In6(b)
		}
		return ip.appendTo6(b)
	}
}

   * Iterable)}, except that it does not throw {@link IOException}.
   */
  @CanIgnoreReturnValue
  public final StringBuilder appendTo(
      StringBuilder builder, Iterable<? extends @Nullable Object> parts) {
    return appendTo(builder, parts.iterator());
  }

  /**

   * Iterable)}, except that it does not throw {@link IOException}.
   */
  @CanIgnoreReturnValue
  public final StringBuilder appendTo(
      StringBuilder builder, Iterable<? extends @Nullable Object> parts) {
    return appendTo(builder, parts.iterator());
  }

  /**

    assertSame(sb1FromIterable, joiner.appendTo(sb1FromIterable, set));
    assertEquals(0, sb1FromIterable.length());

    StringBuilder sb1FromIterator = new StringBuilder();
    assertSame(sb1FromIterator, joiner.appendTo(sb1FromIterator, set));
    assertEquals(0, sb1FromIterator.length());

    StringBuilder sb2 = new StringBuilder();
    assertSame(sb2, joiner.appendTo(sb2, array));
    assertEquals(0, sb2.length());

    assertSame(sb1FromIterable, joiner.appendTo(sb1FromIterable, set));
    assertEquals(0, sb1FromIterable.length());

    StringBuilder sb1FromIterator = new StringBuilder();
    assertSame(sb1FromIterator, joiner.appendTo(sb1FromIterator, set));
    assertEquals(0, sb1FromIterator.length());

    StringBuilder sb2 = new StringBuilder();
    assertSame(sb2, joiner.appendTo(sb2, array));
    assertEquals(0, sb2.length());

    }

    @Override
    public String toString() {
        return primitiveType.toString(array);
    }

    @Override
    public void appendToHasher(Hasher hasher) {
        primitiveType.appendTo(hasher, array);
    }

    @Override
    public ValueSnapshot snapshot(@Nullable Object value, ValueSnapshotter snapshotter) {
        PrimitiveType valueType = PrimitiveType.maybeOfValue(value);

        StringBuffer sb = new StringBuffer();
        sb.append(isAllow() ? "Allow " : "Deny  ");
        appendCol(sb, this.sid.toDisplayString(), 25);
        sb.append(" 0x").append(Hexdump.toHexString(this.access, 8)).append(' ');
        sb.append(isInherited() ? "Inherited " : "Direct    ");
        appendCol(sb, getApplyToText(), 34);
        return sb.toString();
    }

		} else {
			w.data = append(w.data, buf[:free]...)
			w.off = copy(w.data, buf[free:])
		}
	}
}

// appendTo appends stored bytes between from and to indices to the buf.
// Index from must be less or equal to index to and to must be less or equal to w.len().
func (w *window) appendTo(buf []byte, from, to uint32) []byte {
	dataLen := uint32(len(w.data))
	from += uint32(w.off)
	to += uint32(w.off)

	wrap := false

        StringBuffer sb = new StringBuffer();
        sb.append( isAllow() ? "Allow " : "Deny  " );
        appendCol(sb, sid.toDisplayString(), 25);
        sb.append( " 0x" ).append( Hexdump.toHexString( access, 8 )).append(' ');
        sb.append(isInherited() ? "Inherited " : "Direct    ");
        appendCol(sb, getApplyToText(), 34);
        return sb.toString();
    }

				t.Errorf("Marshal = %q; want %q", back, orig)
			}

			testAppendToMarshal(t, ipp)
		})
	}
}

type appendMarshaler interface {
	encoding.TextMarshaler
	AppendTo([]byte) []byte
}

// testAppendToMarshal tests that x's AppendTo and MarshalText methods yield the same results.
// x's MarshalText method must not return an error.
func testAppendToMarshal(t *testing.T, x appendMarshaler) {
	t.Helper()