public static String traversalSideEffectsString(final TraversalSideEffects traversalSideEffects) {
        return "sideEffects" + L_BRACKET + "size:" + traversalSideEffects.keys().size() + R_BRACKET;
    }
Construct the representation for a {@link Graph}.

@param internalString a mapper {@link String} that appends to the end of the standard representation
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/structure/util/StringFactory.java