private static boolean hasLambda(final String objectString) {
        return objectString.contains("$Lambda$") || // JAVA (org.apache.tinkerpop.gremlin.tinkergraph.structure.TinkerGraphPlayTest$$Lambda$1/1711574013@61a52fb)
                objectString.contains("$_run_closure") || // GROOVY (groovysh_evaluate$_run_closure1@db44aa2)
                objectString.contains("<lambda>");  // PYTHON (<function <lambda> at 0x10dfaec80>)
    }
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