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package org.bukkit.block;
/**
* Represents a block (usually a container) that may be locked. When a lock is
* active an item with a name corresponding to the key will be required to open
* this block.
*/
public interface Lockable {
/**
* Checks if the container has a valid (non empty) key.
*
* @return true if the key is valid.
*/
boolean isLocked();
/**
* Gets the key needed to access the container.
*
* @return the key needed.
*/
String getLock();
/**
* Sets the key required to access this container. Set to null (or empty
* string) to remove key.
*
* @param key the key required to access the container.
*/
void setLock(String key);
}
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