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package org.apache.kafka.streams;

public class TestInputTopic<K, V> {
    //Create by TopologyTestDriver, Constructors are package private

    //Timestamp handling 
    //Record timestamp can be provided when piping input or use internally tracked time configured with parameters:
    //startTimestamp the initial timestamp for generated records, if not provided uses current system time as start timestamp.
    //autoAdvance the time increment per generated record, if not provided auto-advance is disabled.

    //Advances the internally tracked time.
    void advanceTimeMs(final Duration advance);

	//Methods to pipe single record
    void pipeInput(final V value);
    void pipeInput(final K key, final V value);

    // Use provided timestamp, does not auto advance internally tracked time.
    void pipeInput(final V value, final Instant timestamp);
    void pipeInput(final K key, final V value, final Instant timestamp);

    // MethodsMethod with long provided as deprecated to support easier migration of old tests
    @Deprecated void pipeInput(final V value, final long timestampMs);
    @Deprecated void pipeInput(final K key, final V value, final long timestampMs);

    // If record timestamp set, does not auto advance internally tracked time.
    void pipeInput(final TestRecord<K, V> record);

	//Methods to pipe list of records
    void pipeValueList(final List<V> values);
    void pipeKeyValueList(final List<KeyValue<K, V>> keyValues);

    // Use provided timestamp, does not auto advance internally tracked time.
    void pipeValueList(final List<V> values, final Instant startTimestamp, final Duration advanceMs);
    void pipeKeyValueList(final List<KeyValue<K, V>> keyValues, final Instant startTimestamp, final Duration advanceMs);

    // If record timestamp set, does not auto advance internally tracked time.
    void pipeRecordList(final List<? extends TestRecord<K, V>> records);
}

package org.apache.kafka.streams.test;
public class TestRecord<K, V> {
	//Constructors
    public TestRecord(final V value);
    public TestRecord(final K key, final V value);
    public TestRecord(final K key, final V value, final Headers headers);
    public TestRecord(final K key, final V value, final Instant recordTime);
    public TestRecord(final K key, final V value, final Headers headers, final Instant recordTime);
    @Deprecated public TestRecord(final K key, final V value, final Long timestamp);
    @Deprecated public TestRecord(final K key, final V value, final Headers headers, final Long timestamp);
	
	//Constructor based on existing record
    public TestRecord(final ConsumerRecord<K, V> record);
    public TestRecord(final ProducerRecord<K, V> record);
	
	// Methods like in ProducerRecord / ConsumerRecord
    public Headers headers();
    public K key();
    public V value();
    public Long timestamp();

	// Getters
    public Headers getHeaders();
    public K getKey();
    public V getValue();
    public Instant getRecordTime();
	
	//Overrides
    public String toString();
    public boolean equals(Object o);
    public int hashCode();
}