in src/main/java/org/apache/sling/scripting/java/impl/JavaScriptEngineFactory.java [173:181]
protected void activate(final Config config, final Map<String, Object> props) {
final CompilerOptions opts = CompilerOptions.createOptions(config);
this.ioProvider = new SlingIOProvider(this.javaCompiler, opts);
this.javaServletContext = new JavaServletContext(ioProvider,
slingServletContext);
this.servletConfig = new JavaServletConfig(javaServletContext, props);
logger.info("Activating Apache Sling Script Engine for Java with options {}", opts);
}