TF-PlotSquared/PlotSquared/src/com/intellectualcrafters/plot/PlotManager.java

package com.intellectualcrafters.plot;

import org.bukkit.Location;
import org.bukkit.World;
import org.bukkit.block.Biome;
import org.bukkit.block.Block;
import org.bukkit.entity.Player;

public abstract class PlotManager {

    /*
     * Plot locations (methods with Abs in them will not need to consider mega
     * plots)
     */

    public abstract PlotId getPlotIdAbs(PlotWorld plotworld, Location loc);

    public abstract boolean isInPlotAbs(PlotWorld plotworld, Location loc, Plot plot);
    //  If you have a circular plot, just return the corner if it were a square
    public abstract Location getPlotBottomLocAbs(PlotWorld plotworld, Plot plot); 
    // the same applies here
    public abstract Location getPlotTopLocAbs(PlotWorld plotworld, Plot plot); 

    /*
     * Plot clearing (return false if you do not support some method)
     * 
     * 
     */

    public abstract boolean clearPlot(Player player, Plot plot, boolean mega);

    public abstract boolean clearSign(Player player, Plot plot, boolean mega);

    // clearEntities also needs to clear Player entities (e.g. teleport them to the surface)
    public abstract boolean clearEntities(Player player, Plot plot, boolean mega);

    /*
     * Plot set functions (return false if you do not support the specific set
     * method)
     */

    public abstract boolean setWall(Player player, Plot plot, Block block);

    public abstract boolean setBiome(Player player, Plot plot, Biome biome);

    /*
     * PLOT MERGING (return false if your generator does not support plot
     * merging)
     */
    public abstract boolean createRoadEast(Plot plot);

    public abstract boolean createRoadSouth(Plot plot);

    public abstract boolean createRoadSouthEast(Plot plot);

    public abstract boolean removeRoadEast(Plot plot);

    public abstract boolean removeRoadSouth(Plot plot);

    public abstract boolean removeRoadSouthEast(Plot plot);

}