import type { DeepRequired, SitecoreConfigInput } from '@sitecore-content-sdk/content/config';
import type { ExpressRequest, ExpressResponse } from './http-types';
/**
 * Link-prefetch strategy for `scRouterLink`/`scRichText` links:
 * - `'eager'` (default) — prefetch as soon as the link renders.
 * - `'hover'` — prefetch only once the pointer dwells on the link (see `delayMs`); starts
 *   disabled and is enabled the moment the user shows intent.
 * - `'off'` — never prefetch.
 * @public
 */
export type LinkPrefetchMode = 'eager' | 'hover' | 'off';
/**
 * Sitecore configuration input for Angular apps. Extends the base
 * {@link SitecoreConfigInput} with an `angular` section. `redirects.locales` is intentionally
 * omitted from the input — it is derived from `angular.locales` so there is a single
 * source of truth for the locale list.
 * @public
 */
export interface AngularSitecoreConfigInput extends Omit<SitecoreConfigInput, 'multisite'> {
    /** Angular-specific configuration. */
    angular?: {
        /**
         * Locales supported by the Angular app.
         * `defaultLanguage` is prepended automatically when absent.
         */
        locales?: string[];
        /**
         * Configuration for the ISR-like cache. Both fields default when omitted
         * (`enabled: true`, `revalidate: 300`).
         */
        loadersCache?: {
            /** Whether the cache is enabled. */
            enabled?: boolean;
            /** The global revalidate time in seconds. */
            revalidate?: number;
        };
        /**
         * Configuration for loader prefetch on `scRouterLink`/`scRichText` links. Both fields
         * default when omitted (`mode: 'eager'`, `delayMs: 100`). Can be overridden per-link via
         * each directive's `prefetch` input.
         */
        linkPrefetch?: {
            /** Prefetch strategy. See {@link LinkPrefetchMode}. */
            mode?: LinkPrefetchMode;
            /** Hover dwell time (ms) before prefetch fires when `mode: 'hover'`. */
            delayMs?: number;
        };
    };
    multisite?: {
        enabled?: boolean;
        /**
         * Function used to determine if site should be resolved from sc_site cookie when present
         */
        useCookieResolution?: (req?: ExpressRequest, res?: ExpressResponse) => boolean;
    };
}
/**
 * Resolved Sitecore configuration for Angular apps. Extends the fully-resolved
 * {@link SitecoreConfig}; structurally still a `SitecoreConfig`, so existing callers that
 * type the value as `SitecoreConfig` continue to work. `redirects.locales` is intentionally
 * omitted at the type level — read the canonical locale list from `angular.locales`.
 * @public
 */
export type AngularSitecoreConfig = DeepRequired<AngularSitecoreConfigInput>;
/**
 * Merges `clientEnv` (browser-safe `environment*.ts`) with `process.env` for server-only variables,
 * then delegates to the base content `defineConfig` and adds the Angular-specific config layer.
 *
 * - `angular.locales` is the single source of truth for the locale list; `defaultLanguage` is
 *   added when missing.
 * - `redirects.locales` is overwritten from `angular.locales` so the redirects proxy stays in sync.
 *
 * On Node/SSR, load `.env` in the app entry before importing `sitecore.config` (see
 * `load-env.ts` in the sample).
 * @param {AngularSitecoreConfigInput} [config] - Base Sitecore configuration input.
 * @param {Record<string, string | undefined>} [clientEnv] - Browser-safe env from `environment*.ts`.
 * @returns {AngularSitecoreConfig} Fully merged Sitecore configuration for Angular.
 * @public
 */
export declare function defineConfig(config?: AngularSitecoreConfigInput, clientEnv?: Record<string, string | undefined>): AngularSitecoreConfig;
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