public void setKeepStubs(boolean keepStubs) {
        this.keepStubs = keepStubs;
    }

    public List<String> getFileExtensions() {
        return fileExtensions;
    }

    public void setFileExtensions(List<String> fileExtensions) {
        this.fileExtensions = fileExtensions;
    }

    public MinimalGroovyCompilerDaemonForkOptions getForkOptions() {
        return forkOptions;
    }

    /**
     * Sets the list of acceptable source file extensions. Only takes effect when compiling against
     * Groovy 1.7 or higher. Defaults to {@code ImmutableList.of("java", "groovy")}.
     */
    public void setFileExtensions(List<String> fileExtensions) {
        this.fileExtensions = fileExtensions;
    }

    /**
     * Tells whether Java stubs for Groovy classes generated during Java/Groovy joint compilation