@Override
    public boolean find(final Path file, final ListProgressListener listener) {
        return session.getClient().existsAndIsAccessible(file.getAbsolute());
    }
@Test
    public void testFindPublic() throws Exception {
        final MantaFindFeature f = new MantaFindFeature(session);
        assertTrue(f.find(new Path(
            new MantaAccountHomeInfo(session.getHost().getCredentials().getUsername(), session.getHost().getDefaultPath()).getAccountRoot(),
            MantaAccountHomeInfo.HOME_PATH_PUBLIC,
            EnumSet.of(Path.Type.directory))));
    }