UtilBlock

public class UtilBlock {

    private Block block;

    private long timeInSecs;
    public UtilBlock(Block block, long timeInSecs) {
        this.block = block;
        this.timeInSecs = timeInSecs;
    }

    @SuppressWarnings("deprecation")
    public void saveBlockToRestore() {
        final int BeforeId = block.getTypeId();
        final byte BeforeData = block.getData();

        Bukkit.getScheduler().runTaskLater(MushroomRegen.scheduler, new Runnable(){

            @Override
            public void run() {

                block.setTypeId(BeforeId);
                block.setData(BeforeData);

            }

        }, timeInSecs*20);

    }

}