@Override
    public Void visitNakedKey(final GremlinParser.NakedKeyContext ctx) {
        handleStringLiteralText(ctx.getText());
        return null;
    }
A base class for visitors that translate Gremlin AST nodes to Gremlin strings.
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/language/translator/AbstractTranslateVisitor.java