/** Describes new partitions for a particular topic. */
public class NewPartitions {
    private int newNumPartitions;
    private List<List<Integer>> assignments;
    private NewPartitions(int newNumPartitions) { ... }

    /** 
     * Increase the number of partitions to the given {@code newCount}. 
     * The assignment of new replicas to brokers will be decided by the broker.</p>
     */
    public static NewPartitions increaseTo(int newCount) { ... }

    /** 
     * <p>Increase the number of partitions to the given {@code newCount} 
     * assigning the new partitions according to the given {@code newAssignments}.
     * The length of {@code newAssignments} should equal {@code newCount - oldCount}, since 
     * the assignment of existing partitions are not changed. 
     * Each inner list of {@code newAssignments} should have a length equal to 
     * the topic's replication factor. 
     * The first broker id in each inner list is the "preferred replica".</p>
     *
     * <p>For example, suppose a topic currently has a replication factor of 2, and 
     * has 3 partitions. The number of partitions can be increased to 4 
     * (with broker 1 being the preferred replica for the new partition) using a 
     * {@code PartitionCount} constructed like this:</p>
     *
     * <pre><code>NewPartitions.increaseTo(4, Arrays.asList(Arrays.asList(1, 2))</code></pre>
     *
     */
    public static NewPartitions increaseTo(int newCount, List<List<Integer>> newAssignments) { ... }
}
    

public class CreatePartitionsOptions {
    public CreatePartitionsOptions() { ... }
    public Integer timeoutMs() { ... }
    public CreatePartitionsOptions timeoutMs(Integer timeoutMs) { ... }
    public boolean validateOnly() { ... }
    /**
     * Validate the request only: Do not actually change any partition counts.
     */
    public CreatePartitionsOptions validateOnly() { ... }
}
 
public class CreatePartitionsResult {
    // package access constructor
    Map<String, KafkaFuture<Void>> values() { ... }
    KafkaFuture<Void> all() { ... }
}