/**
 * Singleton helper to format messages
 */
export declare class MessageFormatter {
    static readonly QUOTE_REGEXP: RegExp;
    static readonly LINK_REGEXP: RegExp;
    static readonly LINK_TRUNCATE_LENGTH = 24;
    static readonly LINK_PATHNAME_TRUNCATE_LENGTH = 14;
    static readonly LINK_SEARCH_TRUNCATE_LENGTH = 10;
    private static instance?;
    /**
     * Escape a regexp
     * @param string
     */
    static escapeRegExp(string: string): string;
    /**
     * Get command name from the message
     * @param message
     */
    static parseCommand(message: string): {
        param: string;
        commandName: string;
    };
    static getInstance(): MessageFormatter;
    /**
     * Format a raw message to html
     * @param message
     */
    format(message: string, remove?: boolean, trusted?: boolean): string;
    /**
     * Escape html
     * @param message
     */
    replaceHtml(message: string): string;
    /**
     * Replace green text-style messages
     * @see https://knowyourmeme.com/memes/greentext-stories
     * @param message
     */
    replaceGreenTexts(message: string): string;
    /**
     * Replace newlines with <br>
     * @param message
     * @param remove
     * @param trusted
     */
    replaceNewlines(message: string, remove?: boolean, trusted?: boolean): string;
    /**
     * Replace buttons
     * @param message
     * @param trusted
     */
    replaceButtons(message: string, remove?: boolean, trusted?: boolean): string;
    /**
     * Create a button
     * @param display
     * @param action
     */
    createButton(display: string, action: string): string;
    /**
     * Get the html code of a button
     * @param title
     * @param action
     * @param escape
     * @param trusted
     */
    getButtonHtml(title: string, action: string, trusted?: boolean): string;
    /**
     * Replace images
     * @param message
     * @param remove
     * @param trusted Whether to limit the number of replacements
     */
    replaceImages(message: string, remove?: boolean, trusted?: boolean): string;
    /**
     * Replace RisiBank images
     * @param message
     */
    replaceRisiBankStickers(message: string, remove?: boolean): string;
    /**
     * Replace stickers in a raw message
     * @param message
     */
    replaceStickers(message: string, remove?: boolean): string;
    /**
     * Replace links in the message
     */
    replaceLinks(text: string, remove?: boolean): string;
    /**
     * Replace quotes in the message
     */
    replaceQuotes(text: string): string;
}