private static void debugLogMutations(List<? extends Mutation> mutations) throws IOException {
    if (!METALOG.isDebugEnabled()) {
      return;
    }
    // Logging each mutation in separate line makes it easier to see diff between them visually
    // because of common starting indentation.
    for (Mutation mutation : mutations) {
      debugLogMutation(mutation);
    }
  }
Pull the region state from a catalog table {@link Result}.
@return the region state, or null if unknown.
hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/RegionStateStore.java