PmdInvoker(PmdActionParameters parameters) {
        this.parameters = parameters
    }

    void execute(AntBuilderDelegate ant) {
        FileCollection pmdClasspath = parameters.getPmdClasspath().filter(new FileExistFilter())

        // PMD uses java.class.path to determine it's implementation classpath for incremental analysis
        // Since we run PMD inside the Gradle daemon, this pulls in all of Gradle's runtime.