/**
 * Transform changed settings to wrap in uilayout structure for backend API
 * Converts keys like "[desktop].theme" to "[desktop].uilayout.theme"
 */
export declare function transformSettingsForBackend(changedSettings: Record<string, any>): Record<string, any>;
/**
 * Extract and parse settings from browser cookies
 * Returns null if cookie not found or parsing fails
 */
export declare function getCookieSettings(): Record<string, any> | null;
/**
 * Get stored settings based on current mode (SPA vs SSR)
 * - SPA mode: Returns settings from localStorage
 * - SSR mode: Returns settings from cookies
 *
 * @returns Stored settings or null if not found
 */
export declare function getStoredSettings(): Record<string, any> | null;
/**
 * Clear settings storage based on current mode (SPA vs SSR)
 * - SPA mode: Clears localStorage
 * - SSR mode: Sends DELETE request to clear cookies
 *
 * @returns true if successful
 */
export declare function clearSettingsStorage(): Promise<boolean>;
/**
 * Clear settings cookies by sending DELETE request to server
 */
export declare function clearSettingsCookies(): Promise<boolean>;
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