export declare const FreshSalesMobilePhoneToE164ErrorMessage = "Could not convert the lead's phone number to the E164 format.";
/**
 * Converts a mobile phone number from the Freshsales format to the E164 format.
 *
 * Example:
 * 1-926-652-9503 -> +19266529503
 *
 * @param phone - The mobile phone number to convert.
 * @returns The E164 formatted phone number.
 */
export declare const freshsalesMobilePhoneToE164: (phone?: string | null) => string | undefined;
