}

    /**
     * Set the buffer length.
     *
     * @param length the new length
     * @return the current builder
     */
    MessageBuilder setLength(int length);

    /**
     * Return the built message.
     *
     * @return the message
     */
    @Nonnull
    String build();

        return this;
    }

    @Override
    public MessageBuilder append(char c) {
        buffer.append(c);
        return this;
    }

    @Override
    public MessageBuilder setLength(int length) {
        buffer.setLength(length);
        return this;
    }

    @Override
    @Nonnull
    public String build() {
        return buffer.toString();
    }

    @Override
    public String toString() {

        return this;
    }

    @Override
    public MessageBuilder append(char c) {
        buffer.append(c);
        return this;
    }

    @Override
    public MessageBuilder setLength(int length) {
        buffer.setLength(length);
        return this;
    }

    @Override
    @Nonnull
    public String build() {
        return buffer.toString();
    }

    @Override
    public String toString() {

                if (pathStartsWithSlash) {
                    if (initialUrlEndsWithSlash) {
                        // 1 extra '/' to remove
                        url.setLength(url.length() - 1);
                    }
                } else if (!initialUrlEndsWithSlash) {
                    // add missing '/' between url and path
                    url.append('/');
                }