public static String pathString(final Path path) {
        return PATH + L_BRACKET + String.join(", ", IteratorUtils.map(path, Objects::toString)) + 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