import { EventStreamCodec } from "@aws-sdk/eventstream-codec";
import { Encoder, Message } from "@aws-sdk/types";
export type UnmarshalledStreamOptions<T> = {
  eventStreamCodec: EventStreamCodec;
  deserializer: (input: Record<string, Message>) => Promise<T>;
  toUtf8: Encoder;
};
export declare function getUnmarshalledStream<T extends Record<string, any>>(
  source: AsyncIterable<Uint8Array>,
  options: UnmarshalledStreamOptions<T>
): AsyncIterable<T>;
export declare function getMessageUnmarshaller<T extends Record<string, any>>(
  deserializer: (input: Record<string, Message>) => Promise<T>,
  toUtf8: Encoder
): (input: Message) => Promise<T | undefined>;