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    [javac] /home/pvm/src/org/drftpd/commands/Find.java:700: cannot find symbol
    [javac] symbol  : class OptionEmpty
    [javac] location: class org.drftpd.commands.Find
    [javac]                             options.add(new OptionEmpty(empty_skip));
    [javac]                                                 ^
    [javac] Note: /home/pvm/src/org/drftpd/commands/Find.java uses or overrides a deprecated API.
    [javac] Note: Recompile with -Xlint:deprecation for details.
    [javac] Note: /home/pvm/src/org/drftpd/commands/Find.java uses unchecked or unsafe operations.
    [javac] Note: Recompile with -Xlint:unchecked for details.
    [javac] 1 error