import { Message, MessageHeaders } from "@aws-sdk/types";
import { Decoder, Encoder } from "@aws-sdk/types";
/**
 * A marshaller that can convert binary-packed event stream messages into
 * JavaScript objects and back again into their binary format.
 *
 * @deprecated Use EventStreamCodec from @aws-sdk/eventstream-codec instead.
 */
export declare class EventStreamMarshaller {
    private readonly codec;
    constructor(toUtf8: Encoder, fromUtf8: Decoder);
    marshall(message: Message): Uint8Array;
    unmarshall(message: ArrayBufferView): Message;
    formatHeaders(rawHeaders: MessageHeaders): Uint8Array;
}