static String trimTextBlock(InputStream is, String delimiter) { String content= JavaCompareUtilities.readString(is);
static String trimTextBlock(String content, String delimiter) {
	static String trimTextBlock(InputStream is, String delimiter) {		String content= JavaCompareUtilities.readString(is);		if (content != null) {			String[] lines= Strings.convertIntoLines(content);			if (lines != null) {				Strings.trimIndentation(lines, JavaCompareUtilities.getTabSize());				return Strings.concatenate(lines, delimiter);			}		}		return null;	}