Bukkit

public class DeadboltListener implements ListenerInterface {

    @Override
    public void load(final Deadbolt plugin) {
        //This method is called when all dependencies have finished loading
    }

    @Override
    public List<String> getDependencies() {
        //This method is called when Deadbolt first loads the Listener. Just return a simple list of any required plugins
        return new ArrayList<String>();
    }

    @Override
    public boolean canEntityInteract(Deadbolted db, EntityInteractEvent event) {
        return false; //CHANGE TO OVERRIDE NORMAL ACTION
    }

    @Override
    public boolean canEntityExplode(Deadbolted db, EntityExplodeEvent event) {
        return false; //CHANGE TO OVERRIDE NORMAL ACTION
    }

    @Override
    public boolean canEndermanPickup(Deadbolted db, EndermanPickupEvent event) {
        return false; //CHANGE TO OVERRIDE NORMAL ACTION
    }

    @Override
    public boolean canRedstoneChange(Deadbolted db, BlockRedstoneEvent event) {
        return false; //CHANGE TO OVERRIDE NORMAL ACTION
    }

    @Override
    public boolean canPistonExtend(Deadbolted db, BlockPistonExtendEvent event) {
        return false; //CHANGE TO OVERRIDE NORMAL ACTION
    }

    @Override
    public boolean canPistonRetract(Deadbolted db, BlockPistonRetractEvent event) {
        return false; //CHANGE TO OVERRIDE NORMAL ACTION
    }

    @Override
    public boolean canBlockBreak(Deadbolted db, BlockBreakEvent event) {
        return false; //CHANGE TO OVERRIDE NORMAL ACTION
    }

    @Override
    public boolean canPlayerInteract(Deadbolted db, PlayerInteractEvent event) {
        return false; //CHANGE TO OVERRIDE NORMAL ACTION
    }

    @Override
    public boolean canSignChange(Deadbolted db, SignChangeEvent event) {
        return true; //CHANGE TO OVERRIDE NORMAL ACTION
    }

    @Override
    public boolean canSignChangeQuick(Deadbolted db, PlayerInteractEvent event) {
        return true; //CHANGE TO OVERRIDE NORMAL ACTION
    }
}

    /**
     * Check if <player> or [Everyone] is on any of the [Private] or [More Users] signs associated with <block>
     * @param player Player to be checked
     * @param block Block to be checked
     * @return If <name> is authorized to use <block>
     */
    public static boolean isAuthorized(Player player, Block block) {}

    /**
     * Check if <block> is protected by <name> or not
     * @param name Name to be checked
     * @param block Block to be checked
     * @return If <name> owns <block>
     */
    public static boolean isOwner(Player player, Block block) {}

    /**
     * Retrieves all names authorized to interact with <block>
     * @param block Block to be checked
     * @return A List<String> containing everything on any [Private] or [More Users] signs associated with <block>
     */
    public static List<String> getAllNames(Block block) {}

    /**
     * Retrieves owner of <block>
     * @param block Block to be checked
     * @return The text on the line below [Private] on the sign associated with <block>. null if unprotected
     */
    public static String getOwnerName(Block block) {}

    /**
     * Check if <block> is protected or not
     * @param block The block to be checked
     * @return If <block> is owned
     */
    public static boolean isProtected(Block block) {}