@Override
        public String toString() {
            final StringBuilder s = new StringBuilder();
            s.append(returnType.getSimpleName()).append(' ').append(name)
                    .append('(');
            final int initLen = s.length();
            for (final Class<?> c : parameterTypes) {
                if (s.length() != initLen) {
                    s.append(", ");
                }
                s.append(c.getSimpleName());
            }
            s.append(')');
            return s.toString();
        }
Keep CompositeTaggableItem, SimpleTaggableItem and TaggableSegmentItem in
lockstep.

@author <a href="mailto:steinar@yahoo-inc.com">Steinar Knutsen</a>
container-search/src/test/java/com/yahoo/prelude/query/TaggableItemsTestCase.java