import type { ClientRequestBodyType, ModuleActionRequest } from '../types/index.js';
/** 本地路径上传的默认大小上限（50 MiB）。 */
export declare const DEFAULT_MAX_UPLOAD_BYTES: number;
export interface PrepareActionBodyOptions {
    maxUploadBytes?: number;
}
export interface PreparedActionBody {
    body: unknown;
    bodyType?: ClientRequestBodyType;
}
/** 根据模块动作的媒体类型，把解析后的普通请求体转换为底层客户端可发送的请求体。 */
export declare function prepareActionBody(command: ModuleActionRequest, options?: PrepareActionBodyOptions): Promise<PreparedActionBody>;