import { DID } from "./DID";
import { AttachmentBase64, AttachmentDescriptor, AttachmentJsonData } from "./MessageAttachment";
import { JsonString } from ".";
import { Pluto } from "../buildingBlocks/Pluto";
import { JsonObj } from "../../utils";
export declare enum MessageDirection {
    SENT = 0,
    RECEIVED = 1
}
export declare class Message implements Pluto.Storable {
    readonly id: string;
    readonly piuri: string;
    readonly from?: DID | undefined;
    readonly to?: DID | undefined;
    readonly attachments: AttachmentDescriptor[];
    readonly thid?: string | undefined;
    readonly extraHeaders: JsonObj;
    readonly createdTime: number;
    readonly expiresTimePlus: number;
    readonly ack: string[];
    direction: MessageDirection;
    readonly fromPrior?: string | undefined;
    readonly pthid?: string | undefined;
    uuid: string;
    readonly body: JsonObj;
    constructor(body: string | JsonObj, id: string | undefined, piuri: string, from?: DID | undefined, to?: DID | undefined, attachments?: AttachmentDescriptor[], thid?: string | undefined, extraHeaders?: JsonObj, createdTime?: number, expiresTimePlus?: number, ack?: string[], direction?: MessageDirection, fromPrior?: string | undefined, pthid?: string | undefined);
    static fromJson(jsonString: JsonString | any): Message;
    static isBase64Attachment(data: any): data is AttachmentBase64;
    static isJsonAttachment(data: any): data is AttachmentJsonData;
}
export declare namespace Message {
    namespace Attachment {
        /**
         * Get the presumed JSON from the attachment
         *
         * @param {AttachmentDescriptor} attachment
         * @returns
         */
        const extractJSON: (attachment: AttachmentDescriptor) => any;
    }
}