import { DatagramInitObject } from "../../Independents/Datagram/datagram-types.js";
declare type TypedArray = Int8Array | Uint8Array | Int16Array | Uint16Array | Int32Array | Uint32Array | Uint8ClampedArray | Float32Array | Float64Array;
export declare let encoder: TextEncoder;
export declare let decoder: TextDecoder;
/**
 * Creates a binary message blob for an object that may contain a body property in binary format.
 * The object must otherwise be jsonable.
 * @param json The otherwise jsonable object
 * @returns A byte array
 */
export declare function encodeMessage(dg: DatagramInitObject): ArrayBuffer;
/**
 * Converts the byte array generated by encodeMessage() back to its
 * original form.
 * @param message The raw data
 * @returns
 */
export declare function decodeMessage(message: ArrayBuffer): DatagramInitObject;
export declare function encodeBody(body: object | string | undefined): {
    body: Uint8Array;
    type?: string;
};
export declare function decodeBody(body: ArrayBuffer, type: string | null): any;
export declare function concatenate<T extends TypedArray>(resultConstructor: new (length: number) => TypedArray, ...arrays: T[]): T;
export declare function evalESM(js: string): Promise<any>;
export declare function evalFunction(js: string, type: string): Promise<(...args: any[]) => any>;
export {};