public RegionEngineOptions copyRegionOpts() {
        return Requires.requireNonNull(this.regionOpts, "opts").copy();
    }
Minimum execution/copy unit of RheaKVStore.

@author jiachun.fjc
jraft-rheakv/rheakv-core/src/main/java/com/alipay/sofa/jraft/rhea/RegionEngine.java