prompter.showMessage(line);
        } catch (org.apache.maven.api.services.PrompterException e) {
            throw new IOException("Unable to prompt", e);
        }
    }

    @Override
    public void writeLine(String line) throws IOException {
        try {
            prompter.showMessage(line + System.lineSeparator());
        } catch (org.apache.maven.api.services.PrompterException e) {

	if err != nil {
		return
	}
	err = en.WriteInt(z.SetIndex)
	if err != nil {
		err = msgp.WrapError(err, "SetIndex")
		return
	}
	// write "PoolIndex"
	err = en.Append(0xa9, 0x50, 0x6f, 0x6f, 0x6c, 0x49, 0x6e, 0x64, 0x65, 0x78)
	if err != nil {
		return
	}
	err = en.WriteInt(z.PoolIndex)
	if err != nil {
		err = msgp.WrapError(err, "PoolIndex")
		return
	}

   * the operating system's default line separator. This method is equivalent to {@code
   * writeLines(lines, System.getProperty("line.separator"))}.
   *
   * @throws IOException if an I/O error occurs while writing to this sink
   */
  public void writeLines(Iterable<? extends CharSequence> lines) throws IOException {
    writeLines(lines, System.getProperty("line.separator"));
  }

  /**

	if _, err := readDir("/tmp/non-existent-directory"); err != errFileNotFound {
		t.Fatalf("expected = %s, got: %s", errFileNotFound, err)
	}

	file := path.Join(os.TempDir(), "issue")
	if err := os.WriteFile(file, []byte(""), 0o644); err != nil {
		t.Fatal(err)
	}
	defer os.RemoveAll(file)

	// Check if file is given.
	if _, err := readDir(path.Join(file, "mydir")); err != errFileNotFound {

    assertFalse(in.closed());
  }

  public void testWriteLines_withSpecificSeparator() throws IOException {
    sink.writeLines(ImmutableList.of("foo", "bar", "baz"), "\n");
    assertEquals("foo\nbar\nbaz\n", sink.getString());
  }

  public void testWriteLines_withDefaultSeparator() throws IOException {
    sink.writeLines(ImmutableList.of("foo", "bar", "baz"));
    String separator = System.getProperty("line.separator");

    }
  }

  @Test fun serverEmptyPing() {
    serverWriter.writePing(EMPTY)
    assertData("8900")
  }

  @Test fun clientEmptyPing() {
    clientWriter.writePing(EMPTY)
    assertData("898060b420bb")
  }

  @Test fun serverPingWithPayload() {
    serverWriter.writePing("Hello".encodeUtf8())
    assertData("890548656c6c6f")
  }

  @Test fun clientPingWithPayload() {

      Multiset<E> multiset, ObjectOutputStream stream) throws IOException {
    int entryCount = multiset.entrySet().size();
    stream.writeInt(entryCount);
    for (Multiset.Entry<E> entry : multiset.entrySet()) {
      stream.writeObject(entry.getElement());
      stream.writeInt(entry.getCount());
    }
  }

  /**
   * Populates a multiset by reading an input stream, as part of deserialization. See {@link

		if curCase {
			if lastCase && (nextCase || nextNumber) {
				buf.WriteRune(v + 32)
			} else {
				if i > 0 && value[i-1] != '_' && value[i+1] != '_' {
					buf.WriteByte('_')
				}
				buf.WriteRune(v + 32)
			}
		} else {
			buf.WriteRune(v)
		}

		lastCase = curCase
		curCase = nextCase
	}

	if curCase {

		if err = enc.Encode(items[i]); err != nil {
			return err
		}
	}

	path := filepath.Join(store.directory, key.String())
	if key.Compress {
		err = os.WriteFile(path, s2.Encode(nil, buf.Bytes()), os.FileMode(0o770))
	} else {
		err = os.WriteFile(path, buf.Bytes(), os.FileMode(0o770))
	}

	buf.Reset()
	if err != nil {
		return err
	}

	// Increment the item count.

   */
  @Override
  public void writeFloat(float v) throws IOException {
    writeInt(Float.floatToIntBits(v));
  }

  /**
   * Writes an {@code int} as specified by {@link DataOutputStream#writeInt(int)}, except using
   * little-endian byte order.
   *
   * @throws IOException if an I/O error occurs
   */
  @Override
  public void writeInt(int v) throws IOException {
    out.write(0xFF & v);