/**
 * Normalize phone number or JID to full WhatsApp JID format
 * @param input Phone digits (27821234567) or full JID (27821234567@s.whatsapp.net)
 * @returns Normalized JID
 */
export declare function normalizeJid(input: string): string;
/**
 * Extract text content from Baileys message object
 */
export declare function extractMessageText(message: any): string | null;
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