import type { IUnifiedEmailServerOptions } from '@push.rocks/smartmta';
import type { IDcRouterOptions } from '../classes.dcrouter.js';
import type { IEmailPortConfig, IEmailServerSettings, TEmailOutboundMode, TEmailServerSettingsUpdate } from '../../dist_ts_interfaces/data/email-settings.js';
export declare class EmailSettingsManager {
    private options;
    private cachedEmailConfig?;
    private cachedEmailPortConfig?;
    private outboundMode;
    private enabled;
    private updatedAt;
    private updatedBy;
    constructor(options: IDcRouterOptions);
    start(): Promise<void>;
    /**
     * One-time persisted-data normalization: the legacy bootstrap config carried
     * a catch-all `default-reject` route (recipients '*' → 550) that outranks
     * the per-domain inbound catch-all store policy, making every configured
     * domain send-only. The domain inboundPolicy is the canonical way to reject
     * inbound mail now, so the legacy route is removed outright.
     */
    private removeLegacyDefaultRejectRoute;
    stop(): Promise<void>;
    isEnabled(): boolean;
    getEmailConfig(): IUnifiedEmailServerOptions | undefined;
    getEmailPortConfig(): IEmailPortConfig | undefined;
    getOutboundMode(): TEmailOutboundMode;
    getPublicSettings(): IEmailServerSettings;
    updateSettings(updates: TEmailServerSettingsUpdate, updatedBy: string): Promise<IEmailServerSettings>;
    private loadFromDoc;
    private applyToRuntimeOptions;
    private patchOutboundMode;
    private normalizeOutboundMode;
    private patchEmailConfig;
    /**
     * Remove persisted legacy routes by exact name — the internal-relay
     * retirement lever, not a general route editor. Refuses generated managed
     * route names (those are composed at runtime, never persisted here) and
     * fails loudly on unknown names instead of silently no-oping.
     */
    private removeRoutesByName;
    private patchEmailPortConfig;
    private normalizePorts;
    private normalizePortMapping;
}