private void addIndented(StringBuilder builder, String toAdd) {
            String indent = "  ";
            for (String line : toAdd.split(Pattern.quote("\n")))
                builder.append(indent).append(line).append('\n');
        }
Creates the textual representation for a single Item.
container-search/src/main/java/com/yahoo/prelude/query/textualrepresentation/TextualQueryRepresentation.java