/**
     * Plugin modules exposed in the Gradle API.
     */
    Set<Module> getApiModules();

    /**
     * Plugin modules exposed to the Gradle runtime only.
     */
    Set<Module> getImplementationModules();

        }
        for (Module pluginModule : pluginModuleRegistry.getApiModules()) {
            classpath = classpath.plus(pluginModule.getClasspath());
        }
        for (Module pluginModule : pluginModuleRegistry.getImplementationModules()) {
            classpath = classpath.plus(pluginModule.getClasspath());
        }
        return removeJaxbIfIncludedInCurrentJdk(classpath);
    }