import { ConversationItem, MessageType, SessionType } from "@droppii-org/wasm-client-sdk";
import { TFunction } from "i18next";
import { UrlMetadataInfo } from "../types/chat";
import { PeerType } from "../types/conversation";
export interface LatestMessageConversation {
    peerType?: PeerType | string;
    conversationType?: SessionType;
    showName?: string;
}
export declare const formatMemberLabel: (displayName: string, username?: string) => string;
export declare const parseMessageContent: <T>(content?: string) => Partial<T>;
export declare const parseUrlMetadata: (ex?: string) => UrlMetadataInfo | undefined;
export declare function formatDuration(seconds: number): string;
export declare function renderFileSize(bytes: number): string;
interface ShortenFileNameOptions {
    maxLength?: number;
    keepStart?: number;
    keepEnd?: number;
}
export declare const shortenFileName: (name?: string, options?: ShortenFileNameOptions) => string;
export declare const generateContentBasedOnMessageType: (contentType: MessageType, plainText?: string, t?: TFunction, mediaMeta?: {
    duration?: number;
    fileName?: string;
}, customElem?: {
    extension?: string;
    description?: string;
}) => string;
export declare const isInternalLatestMessage: (latestMsg?: string) => boolean;
export declare const ignoreInternalLatestMessage: (conversations: ConversationItem[], isCrm: boolean) => ConversationItem[];
export declare const parseLatestMessage: (latestMsg: string, currentUserId?: string, t?: TFunction, conversation?: LatestMessageConversation, options?: {
    includeSenderPrefix?: boolean;
    /** Automatic bot-thread messages; CRM never shows them. */
    showEventMessages?: boolean;
}) => string;
export interface HighlightParts {
    before: string;
    match: string;
    after: string;
}
/** A window of about `maxLength` chars around the first match, "…" marking cut text. */
export declare const splitHighlight: (text: string, keyword: string, maxLength?: number) => HighlightParts | null;
export declare const highlightSearch: (text: string, keyword: string, maxLength?: number) => string;
interface FormatOptions {
    hasTime?: boolean;
    dateMonthFormat?: string;
}
export declare function formatTimestamp(timestamp: number, options?: FormatOptions): string;
export declare function formatDividerTimestamp(timestamp: number): string;
export declare const urlRegex: RegExp;
export declare function wrapLinksInHtml(htmlContent: string): string;
export declare const getHostFromUrl: (url: string) => string | null;
export declare const htmlHasFormatting: (html: string) => boolean;
export declare const stripHtml: (html: string) => string;
/**
 * Sanitizes HTML content to prevent XSS attacks
 * Uses DOMPurify to remove all potentially malicious code
 *
 * @param html - Raw HTML content that may contain malicious scripts
 * @returns Sanitized HTML safe for rendering
 *
 * @example
 * const userInput = '<img src=x onerror=alert("XSS")>';
 * const safe = sanitizeHtml(userInput);
 * // Returns: '<img src="x">' (onerror removed)
 */
export declare function sanitizeHtml(html: string): string;
export {};
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