default boolean isGroovyPresent(final ClassLoader classLoader) {
        return isTypePresent(classLoader, "groovy.lang.GroovyObject");
    }
Is groovy present?

@param classLoader the class loader
@return true/false
api/cas-server-core-api-util/src/main/java/org/apereo/cas/util/nativex/CasRuntimeHintsRegistrar.java