private static String indent(String s) {
		return "\t" + s.replace(StringUtil.NEWLINE, StringUtil.NEWLINE + "\t");
	}
Indents the content of a multi-line string - used mainly for allowing the pretty display of Netty {@code toString()} output/
extensions/spring-xd-extension-http/src/main/java/org/springframework/integration/x/http/NettyHttpInboundChannelAdapter.java