/// <reference types="node" />
import { Logger } from 'pino';
import { proto } from '../../WAProto';
import { AnyMediaMessageContent, AnyMessageContent, MediaGenerationOptions, MessageContentGenerationOptions, MessageGenerationOptions, MessageGenerationOptionsFromContent, MessageUserReceipt, WAMessage, WAMessageContent, WAProto } from '../Types';
import { MediaDownloadOptions } from './messages-media';
/**
 * Uses a regex to test whether the string contains a URL, and returns the URL if it does.
 * @param text eg. hello https://google.com
 * @returns the URL, eg. https://google.com
 */
export declare const extractUrlFromText: (text: string) => string | undefined;
export declare const generateLinkPreviewIfRequired: (text: string, getUrlInfo: MessageGenerationOptions['getUrlInfo'], logger: MessageGenerationOptions['logger']) => Promise<import("../Types").WAUrlInfo | undefined>;
export declare const prepareWAMessageMedia: (message: AnyMediaMessageContent, options: MediaGenerationOptions) => Promise<proto.Message>;
export declare const prepareDisappearingMessageSettingContent: (ephemeralExpiration?: number | undefined) => proto.Message;
/**
 * Generate forwarded message content like WA does
 * @param message the message to forward
 * @param options.forceForward will show the message as forwarded even if it is from you
 */
export declare const generateForwardMessageContent: (message: WAMessage, forceForward?: boolean | undefined) => proto.IMessage;
export declare const generateWAMessageContent: (message: AnyMessageContent, options: MessageContentGenerationOptions) => Promise<proto.Message>;
export declare const generateWAMessageFromContent: (jid: string, message: WAMessageContent, options: MessageGenerationOptionsFromContent) => proto.WebMessageInfo;
export declare const generateWAMessage: (jid: string, content: AnyMessageContent, options: MessageGenerationOptions) => Promise<proto.WebMessageInfo>;
/** Get the key to access the true type of content */
export declare const getContentType: (content: WAProto.IMessage | undefined) => keyof proto.IMessage | undefined;
/**
 * Normalizes ephemeral, view once messages to regular message content
 * Eg. image messages in ephemeral messages, in view once messages etc.
 * @param content
 * @returns
 */
export declare const normalizeMessageContent: (content: WAMessageContent | null | undefined) => WAMessageContent | undefined;
/**
 * Extract the true message content from a message
 * Eg. extracts the inner message from a disappearing message/view once message
 */
export declare const extractMessageContent: (content: WAMessageContent | undefined | null) => WAMessageContent | undefined;
/**
 * Returns the device predicted by message ID
 */
export declare const getDevice: (id: string) => "android" | "web" | "ios";
/** Upserts a receipt in the message */
export declare const updateMessageWithReceipt: (msg: Pick<WAMessage, 'userReceipt'>, receipt: MessageUserReceipt) => void;
/** Update the message with a new reaction */
export declare const updateMessageWithReaction: (msg: Pick<WAMessage, 'reactions'>, reaction: proto.IReaction) => void;
/** Update the message with a new poll update */
export declare const updateMessageWithPollUpdate: (msg: Pick<WAMessage, 'pollUpdates'>, update: proto.IPollUpdate) => void;
declare type VoteAggregation = {
    name: string;
    voters: string[];
};
/**
 * Aggregates all poll updates in a poll.
 * @param msg the poll creation message
 * @param meId your jid
 * @returns A list of options & their voters
 */
export declare function getAggregateVotesInPollMessage({ message, pollUpdates }: Pick<WAMessage, 'pollUpdates' | 'message'>, meId?: string): VoteAggregation[];
/** Given a list of message keys, aggregates them by chat & sender. Useful for sending read receipts in bulk */
export declare const aggregateMessageKeysNotFromMe: (keys: proto.IMessageKey[]) => {
    jid: string;
    participant: string | undefined;
    messageIds: string[];
}[];
declare type DownloadMediaMessageContext = {
    reuploadRequest: (msg: WAMessage) => Promise<WAMessage>;
    logger: Logger;
};
/**
 * Downloads the given message. Throws an error if it's not a media message
 */
export declare const downloadMediaMessage: (message: WAMessage, type: 'buffer' | 'stream', options: MediaDownloadOptions, ctx?: DownloadMediaMessageContext | undefined) => Promise<Buffer | import("stream").Transform>;
/** Checks whether the given message is a media message; if it is returns the inner content */
export declare const assertMediaContent: (content: proto.IMessage | null | undefined) => proto.Message.IVideoMessage | proto.Message.IImageMessage | proto.Message.IAudioMessage | proto.Message.IDocumentMessage | proto.Message.IStickerMessage;
export {};
