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// Copyright 2020 TiKV Project Authors. Licensed under Apache-2.0.
mod changer;
#[cfg(test)]
pub mod datadriven_test;
mod restore;

pub use self::changer::{Changer, MapChange, MapChangeType};
pub use self::restore::restore;

use crate::tracker::Configuration;

#[inline]
pub(crate) fn joint(cfg: &Configuration) -> bool {
    !cfg.voters().outgoing.is_empty()
}