try {
            Thread.currentThread().setContextClassLoader(pluginClass.getClassLoader());
            if (plugin.getType().equals(PotentialPlugin.Type.UNKNOWN)) {
                throw new InvalidPluginException("'" + pluginClass.getName() + "' is neither a plugin or a rule source and cannot be applied.");
            } else {

Class <org.gradle.api.internal.plugins.PotentialPlugin$Type> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (PotentialPlugin.java:0)
Class <org.gradle.api.internal.plugins.PotentialPlugin> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (PotentialPlugin.java:0)