presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/storage/ShardRecoveryManager.java/ShardRecoveryManager/equals
class ShardRecoveryManager:        @Override
        public boolean equals(Object o)
        {
            if (this == o) {
                return true;
            }
            if (o == null || getClass() != o.getClass()) {
                return false;
            }

            MissingShard other = (MissingShard) o;
            return Objects.equals(this.active, other.active) &&
                    Objects.equals(this.shardUuid, other.shardUuid);
        }