/// <reference types="node" />
import { BodyInit } from "node-fetch";
/**
 * Serialize data for gRPC requests.
 * If no content type is provided, it will be inferred from the data.
 * @param data data to serialize
 * @param inContentType content type of the data
 * @returns serialized data and content type
 */
export declare function serializeGrpc(data: any, inContentType?: string): {
    serializedData: Buffer;
    contentType: string;
};
/**
 * Serialize data for HTTP requests.
 * If no content type is provided, it will be inferred from the data.
 * @param data data to serialize
 * @param inContentType content type of the data
 * @returns serialized data and content type
 */
export declare function serializeHttp(data: any, inContentType?: string): {
    serializedData: BodyInit;
    contentType: string;
};