public org.apache.flink.table.descriptors.Elasticsearch bulkFlushBackoffMaxRetries(int maxRetries) {
		internalProperties.putInt(CONNECTOR_BULK_FLUSH_BACKOFF_MAX_RETRIES, maxRetries);
		return this;
	}
Configures how to buffer elements before sending them in bulk to the cluster for efficiency.

<p>Sets the maximum number of retries for a backoff attempt when flushing bulk requests.

<p>Make sure to enable backoff by selecting a strategy ({@link #bulkFlushBackoffConstant()} or
{@link #bulkFlushBackoffExponential()}).

@param maxRetries the maximum number of retries.
elasticsearch5-xh/elasticsearch5-xh-sink/src/main/java/org/apache/flink/table/descriptors/Elasticsearch.java