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package org.bukkit.entity;
import org.bukkit.Location;
/**
* A crystal that heals nearby EnderDragons
*/
public interface EnderCrystal extends Entity {
/**
* Return whether or not this end crystal is showing the
* bedrock slate underneath it.
*
* @return true if the bottom is being shown
*/
boolean isShowingBottom();
/**
* Sets whether or not this end crystal is showing the
* bedrock slate underneath it.
*
* @param showing whether the bedrock slate should be shown
*/
void setShowingBottom(boolean showing);
/**
* Gets the location that this end crystal is pointing its beam to.
*
* @return the location that the beam is pointed to, or null if the beam is not shown
*/
Location getBeamTarget();
/**
* Sets the location that this end crystal is pointing to. Passing a null
* value will remove the current beam.
*
* @param location the location to point the beam to
* @throws IllegalArgumentException for differing worlds
*/
void setBeamTarget(Location location);
}
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