/**
 * Cookie configuration for storing user settings
 * - Max age: 30 days
 * - Client-side accessible for dynamic UI updates
 * - Domain-scoped in production for subdomain sharing
 */
export declare const settingsCookie: import("@remix-run/node").Cookie;
/**
 * Fetches page settings from GraphQL backend with device/route-specific overrides
 *
 * @param request - The incoming HTTP request (used for forwarding cookies and headers)
 * @param overrideIdentifier - Optional override identifier (e.g., "[mobile]", "[desktop]", "[/dashboard][mobile]")
 * @returns GraphQL query result containing merged settings with overrides applied
 *
 * @remarks
 * - The GraphQL backend implements Redis caching for performance
 * - Settings are returned in a flat structure with bracket notation for overrides
 * - Example structure: { logo: '...', theme: '...', '[mobile]': { ... }, '[/dashboard][mobile]': { ... } }
 */
export declare function fetchPageSettingsWithFetch(request: Request, overrideIdentifier?: string): Promise<{
    data: any;
}>;
/**
 * Universal settings loader utility for both Remix loaders and actions
 *
 * @param params - Object containing request, context, and params
 * @param params.request - The incoming HTTP request
 * @param params.context - Optional Remix load context
 * @param params.params - Optional route parameters
 *
 * @returns Object containing merged settings and cookie string
 * @returns settings - Fully merged settings (GraphQL + env + cookies + request payload)
 * @returns setCookie - Cookie string to set in response headers
 *
 * @remarks
 * This utility handles both loader (GET) and action (POST/PUT/DELETE) requests:
 * - **Loaders (GET)**: Fetches and merges settings from GraphQL, env, and cookies
 * - **Actions (POST/PUT)**: Additionally processes request payload and updates cookies
 *
 * Settings merge order (later sources override earlier ones):
 * 1. GraphQL backend settings (with device overrides)
 * 2. Environment variable settings
 * 3. Cookie settings (user preferences)
 * 4. Request payload (only for actions)
 *
 * @example
 * // In a Remix loader
 * export const loader = async ({ request }) => {
 *   const { settings, setCookie } = await settingsLoaderUtil({ request });
 *   return json({ settings }, { headers: { 'Set-Cookie': setCookie } });
 * };
 *
 * @example
 * // In a Remix action
 * export const action = async ({ request }) => {
 *   const { settings, setCookie } = await settingsLoaderUtil({ request });
 *   return json(settings, { headers: { 'Set-Cookie': setCookie } });
 * };
 */
export declare function settingsLoaderUtil({ request, context, params }: {
    request: any;
    context: any;
    params: any;
}): Promise<{
    settings: any;
    setCookie: string;
}>;
export declare function getDeviceType(userAgent: string): 'mobile' | 'desktop';
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