import type { NotificationChannel } from '@rentaldrivego/database';
import { prisma } from '../lib/prisma';
export declare const SUPPORTED_NOTIFICATION_LOCALES: readonly ["en", "fr", "ar"];
export type NotificationLocale = (typeof SUPPORTED_NOTIFICATION_LOCALES)[number];
export declare const DEFAULT_NOTIFICATION_LOCALE: NotificationLocale;
type TemplateDateValue = {
    type: 'date';
    value: Date | string | number;
    options?: Intl.DateTimeFormatOptions;
};
type TemplateCurrencyValue = {
    type: 'currency';
    amountMinor: number;
    currency: string;
};
type TemplateSubscriptionStatusValue = {
    type: 'subscription_status';
    status: string;
};
type TemplateInvoiceStatusValue = {
    type: 'invoice_status';
    status: string;
};
export type NotificationTemplateValue = string | number | boolean | Date | null | undefined | TemplateDateValue | TemplateCurrencyValue | TemplateSubscriptionStatusValue | TemplateInvoiceStatusValue;
export type NotificationTemplateVariables = Record<string, NotificationTemplateValue>;
type NotificationLocalizationDb = Pick<typeof prisma, 'brandSettings' | 'billingAccount' | 'employee' | 'notificationTemplate' | 'renter'>;
export declare function coerceNotificationLocale(locale?: string | null): NotificationLocale;
export declare function getNotificationTextDirection(locale: NotificationLocale): "ltr" | "rtl";
export declare function formatLocalizedDate(value: Date | string | number, locale: NotificationLocale, options?: Intl.DateTimeFormatOptions): string;
export declare function formatLocalizedCurrency(amountMinor: number, currency: string, locale: NotificationLocale): string;
export declare function localizeSubscriptionStatus(status: string, locale: NotificationLocale): string;
export declare function localizeInvoiceStatus(status: string, locale: NotificationLocale): string;
export declare function localizeBillingPeriod(period: string, locale: NotificationLocale): string;
export declare function localizePlanName(plan: string, locale: NotificationLocale): string;
export declare function resolveNotificationLocale(input: {
    companyId?: string | null;
    employeeId?: string | null;
    renterId?: string | null;
    billingAccountId?: string | null;
    locale?: string | null;
}, db?: NotificationLocalizationDb): Promise<NotificationLocale>;
export declare function resolveNotificationTemplate(input: {
    templateKey: string;
    channel: NotificationChannel;
    locale: NotificationLocale;
    variables?: NotificationTemplateVariables;
}, db?: NotificationLocalizationDb): Promise<{
    locale: "en" | "fr" | "ar";
    subject: string | null;
    body: string | null;
    templateKey: string;
    usedFallback: boolean;
}>;
export declare function renderNotificationText(template: string | null, variables: NotificationTemplateVariables | undefined, requiredVariables: string[] | undefined, locale: NotificationLocale): string | null;
export declare function renderLocalizedEmailHtml(body: string, locale: NotificationLocale): string;
export {};
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