@Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        RemotePartitionDeleteMetadata that = (RemotePartitionDeleteMetadata) o;
        return Objects.equals(topicIdPartition, that.topicIdPartition) &&
                state == that.state &&
                eventTimestampMs() == that.eventTimestampMs() &&
                brokerId() == that.brokerId();
    }
It represents the state of the remote partition. It can be one of the values of {@link RemotePartitionDeleteState}.
storage/api/src/main/java/org/apache/kafka/server/log/remote/storage/RemotePartitionDeleteMetadata.java