/// <reference types="node" />
import { SubmittableExtrinsic } from '@polkadot/api/types';
import { KeyringPair } from '@polkadot/keyring/types';
import { EventEmitter } from 'events';
/**
 * Save many submittable tx in single transaction. It uses the `batch` capability of the chain
 * @param txs
 * @param signer
 *
 * ```ts
  await api.api()

  const statements: SubmittableExtrinsic<'promise'>[] = any submitable tx
  const signer = getAlice()
  const o = await api.utils.saveBatch(txs, signer)

  o.on(EVENT_NAME_BATCH, p => console.log(p.message))
  ```
 */
export default function saveBatch(txs: Array<SubmittableExtrinsic<'promise'>>, signer: KeyringPair): Promise<EventEmitter>;
//# sourceMappingURL=saveBatch.d.ts.map