package org.webslinger.commons.vfs.operations;

 import java.util.Collection;

 import org.apache.commons.vfs.FileSystemException;

 import org.apache.commons.vfs.operations.FileOperation;

 public interface COWStateOperation extends FileOperation {

     void clear() throws FileSystemException;

     void setDeleted(boolean deleted) throws FileSystemException;

     boolean isDeleted() throws FileSystemException;

     boolean addBase(String relative) throws FileSystemException;

     boolean removeBase(String relative) throws FileSystemException;

     Collection<String> getBases() throws FileSystemException;

 }