/**
 * Extractor will automatically try to iterate over whole index using one of the two iteration methods:.
 *
 * - from/size
 * - search_after
 *
 * Search after is selected when you provide define sort parameters in query, otherwise it will fallback to from/size.
 *
 * @param array{
 *  hosts?: array<string>,
 *  connectionParams?: array<mixed>,
 *  retries?: int,
 *  sniffOnStart?: boolean,
 *  sslCert?: array<string>,
 *  sslKey?: array<string>,
 *  sslVerification?: boolean|string,
 *  elasticMetaHeader?: boolean,
 *  includePortInHostHeader?: boolean
 * } $config
 * @param array<mixed> $parameters - https://www.elastic.co/guide/en/elasticsearch/reference/master/search-search.html
 * @param ?array<mixed> $pit_params - when used extractor will create point in time to stabilize search results. Point in time is automatically closed when last element is extracted. https://www.elastic.co/guide/en/elasticsearch/reference/master/point-in-time-api.html - @deprecated use withPointInTime method instead
 */
from_es(array $config, array $parameters, ?array $pit_params) : ElasticsearchExtractor

entry_id_factory(string $entry_name) : IdFactory

/**
 * Transforms elasticsearch results into clear Flow Rows using ['hits']['hits'][x]['_source'].
 *
 * @return HitsIntoRowsTransformer
 */
es_hits_to_rows(DocumentDataSource $source) : HitsIntoRowsTransformer

hash_id_factory(string $entry_names) : IdFactory

/**
 * https://www.elastic.co/guide/en/elasticsearch/reference/master/docs-bulk.html.
 *
 * In order to control the size of the single request, use DataFrame::chunkSize() method just before calling DataFrame::load().
 *
 * @param array{
 *  hosts?: array<string>,
 *  connectionParams?: array<mixed>,
 *  retries?: int,
 *  sniffOnStart?: boolean,
 *  sslCert?: array<string>,
 *  sslKey?: array<string>,
 *  sslVerification?: boolean|string,
 *  elasticMetaHeader?: boolean,
 *  includePortInHostHeader?: boolean
 * } $config
 * @param string $index
 * @param IdFactory $id_factory
 * @param array<mixed> $parameters - https://www.elastic.co/guide/en/elasticsearch/reference/master/docs-bulk.html - @deprecated use withParameters method instead
 */
to_es_bulk_index(array $config, string $index, IdFactory $id_factory, array $parameters) : ElasticsearchLoader

/**
 *  https://www.elastic.co/guide/en/elasticsearch/reference/master/docs-bulk.html.
 *
 * In order to control the size of the single request, use DataFrame::chunkSize() method just before calling DataFrame::load().
 *
 * @param array{
 *  hosts?: array<string>,
 *  connectionParams?: array<mixed>,
 *  retries?: int,
 *  sniffOnStart?: boolean,
 *  sslCert?: array<string>,
 *  sslKey?: array<string>,
 *  sslVerification?: boolean|string,
 *  elasticMetaHeader?: boolean,
 *  includePortInHostHeader?: boolean
 * } $config
 * @param string $index
 * @param IdFactory $id_factory
 * @param array<mixed> $parameters - https://www.elastic.co/guide/en/elasticsearch/reference/master/docs-bulk.html - @deprecated use withParameters method instead
 */
to_es_bulk_update(array $config, string $index, IdFactory $id_factory, array $parameters) : ElasticsearchLoader