/**
 * Types of global (shared) query clients available.
 * - 'app': Client persists for the entire browser session (until refresh/close)
 * - 'page': Client uses reference counting. Disposes when the last page client instance is disposed (e.g., when all components using getQueryClient('page') unmount)
 */
type GlobalClientType = 'app' | 'page';
/**
 * Configuration for using a globally shared query client.
 * Can be specified as a simple string ('app' or 'page') or as an object with additional options.
 *
 * @template T - The default value type for the query
 *
 * @example
 * ```typescript
 * // Simple string syntax
 * queryOptions(): QueryApiOptions<User[]> {
 *   return {
 *     queryKey: ['myapp', 'users'],
 *     queryFn: async () => api.getUsers(),
 *     globalClient: 'page',
 *   };
 * }
 * ```
 *
 * @example
 * ```typescript
 * // Object syntax with dispose option
 * queryOptions(): QueryApiOptions<User[]> {
 *   return {
 *     queryKey: ['myapp', 'users'],
 *     queryFn: async () => api.getUsers(),
 *     globalClient: {
 *       type: 'page',
 *       dispose: true,
 *     },
 *   };
 * }
 * ```
 */
export type GlobalClientOptions<T = any> = GlobalClientType | {
    type: GlobalClientType;
    dispose?: boolean;
    defaultValue?: T;
};
export declare function getTypeName(type: GlobalClientType): string;
export declare function getClientType(options?: GlobalClientOptions): GlobalClientType | "";
export declare function isSharedClient(options?: GlobalClientOptions): boolean;
/** True when `globalClient` is set and the injected client does not isolate from `window.queryClients`. */
export declare function shouldShareWindowClient(globalClient?: GlobalClientOptions, client?: {
    isolateFromWindowClients?: boolean;
}): boolean;
export declare function getClientOptions(options?: GlobalClientOptions): {
    type: GlobalClientType;
    dispose?: boolean;
    defaultValue?: any;
} | undefined;
export declare function isArrayofArrays(arr: any): arr is any[][];
export {};
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