public static String block(String row, String... rows) {
        requireNonNull(row);
        requireNonNullElements(rows);
        return block(
			Arrays.stream(rows).collect(joining(
				nl(), row + nl(), "")
			)
		);
    }
Indents the specified text, surrounds it with brackets and put the
content on a separate line.

@param row   the first row of the text.
@param rows  the rest of the rows.
@return      the text with a '{\n' before and a '\n}' afterwards.
common-parent/codegen/src/main/java/com/speedment/common/codegen/util/Formatting.java