export type TelegramTarget = { chatId: string; messageThreadId?: number; chatType: "direct" | "group" | "unknown"; }; export declare function stripTelegramInternalPrefixes(to: string): string; export declare function normalizeTelegramChatId(raw: string): string | undefined; export declare function isNumericTelegramChatId(raw: string): boolean; export declare function normalizeTelegramLookupTarget(raw: string): string | undefined; export declare function parseTelegramTarget(to: string): TelegramTarget; export declare function resolveTelegramTargetChatType(target: string): "direct" | "group" | "unknown";