private void copyFile(File source, File destination) throws IOException {
        try (FileInputStream sourceStream = new FileInputStream(source);
             FileOutputStream destinationStream = new FileOutputStream(destination)) {
            sourceStream.transferTo(destinationStream);
        }
    }
Writes meta data about this package if the destination directory exists.
vespa-application-maven-plugin/src/main/java/com/yahoo/container/plugin/mojo/ApplicationMojo.java