@Override
    public Optional<Customizer[]> getCustomizers(final String scriptEngineName) {
        return null == scriptEngineName || appliesTo.isEmpty() || appliesTo.contains(scriptEngineName) ?
                Optional.of(customizers) : Optional.empty();
    }
Creates a base {@link GremlinPlugin} that will apply to specific {@link GremlinScriptEngine} instances.
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/jsr223/AbstractGremlinPlugin.java