)
    Property<String> getMainClass();

    /**
     * Sets the fully qualified name of the main class to be executed.
     *
     * @param main the fully qualified name of the main class to be executed.
     *
     * @return this
     *
     * @deprecated Use {@link #getMainClass()}.set(main) instead. This method will be removed in Gradle 9.0.
     */
    @Deprecated

        if (runAsModule) {
            execSpec.getMainModule().set("gradle.worker");
        }
        execSpec.getMainClass().set("worker." + GradleWorkerMain.class.getName());
        if (useOptionsFile) {
            // Use an options file to pass across application classpath