throws IOException {
    checkNotNull(lineSeparator);

    try (Writer out = openBufferedStream()) {
      while (lines.hasNext()) {
        out.append(lines.next()).append(lineSeparator);
      }
    }
  }

  /**
   * Writes all the text from the given {@link Readable} (such as a {@link Reader}) to this sink.

        Method[] methods = SystemMonitorTarget.class.getDeclaredMethods();

        for (Method method : methods) {
            if (method.getName().startsWith("append") && !method.getName().equals("append")) {
                assertTrue("Private append methods should be private: " + method.getName(),
                        java.lang.reflect.Modifier.isPrivate(method.getModifiers()));
            }
        }
    }

        StringBuilder longContent = new StringBuilder();
        for (int i = 0; i < 100; i++) {
            longSubject.append("Subject Line ").append(i).append(" ");
            longContent.append("Content Line ").append(i).append(" with more text. ");
        }

        discloser.setSubject(longSubject.toString());
        discloser.setPlainText(longContent.toString());

      buildString {
        append("Certificate pinning failure!")
        append("\n  Peer certificate chain:")
        for (element in peerCertificates) {
          append("\n    ")
          append(pin(element))
          append(": ")
          append(element.subjectDN.name)
        }
        append("\n  Pinned certificates for ")
        append(hostname)
        append(":")
        for (pin in pins) {

							<la:message key="labels.profile.placeholder_old_password" />
						</c:set>
						<la:password property="oldPassword" class="form-control"
									 placeholder="${ph_old_password}" />
						<div class="input-group-append">
							<span class="input-group-text"><em class="fa fa-lock fa-fw"></span>
						</div>
					</div>
					<div class="input-group mb-3">
						<c:set var="ph_new_password">

            }
            return new Pair<>(k, v);
        }).forEach(e -> {
            if (buf.length() > 0) {
                buf.append('\n');
            }
            buf.append(e.getFirst());
            buf.append('=');
            buf.append(e.getSecond());
        });
        return buf.toString();
    }

    /**
     * Loads configuration parameters into a map.
     *

        final StringBuilder buf = new StringBuilder(50);
        if (contentType == null) {
            buf.append("text/plain");
        } else {
            buf.append(contentType);
        }
        buf.append("; charset=");
        final String enc;
        if (encoding == null) {

internal fun Headers.commonToString(): String =
  buildString {
    for (i in 0 until size) {
      val name = name(i)
      val value = value(i)
      append(name)
      append(": ")
      append(if (isSensitiveHeader(name)) "██" else value)
      append("\n")
    }
  }

internal fun commonHeadersGet(
  namesAndValues: Array<String>,
  name: String,
): String? {

        out.append(format.normalizeFirstWord(s.substring(i, j)));
      } else {
        requireNonNull(out).append(format.normalizeWord(s.substring(i, j)));
      }
      out.append(format.wordSeparator);
      i = j + wordSeparator.length();
    }
    return (i == 0)
        ? format.normalizeFirstWord(s)
        : requireNonNull(out).append(format.normalizeWord(s.substring(i))).toString();
  }

        for (final byte element : digest) {
            final String tmp = Integer.toHexString(element & 0xff);
            if (tmp.length() == 1) {
                buffer.append('0').append(tmp);
            } else {
                buffer.append(tmp);
            }
        }
        return buffer.toString();
    }