public void setCount(int count) {
		Assert.isTrue(count >= 0, "Count must be a positive value");
		this.count = count;
	}
How many writes should be aggregated, before invoking the underlying {@link OffsetManager}. Setting this value
to 1 effectively disables windowing.

@param count number of writes
extensions/spring-xd-extension-kafka/src/main/java/org/springframework/integration/x/kafka/WindowingOffsetManager.java