/**
 * svelte-idb — SSR Utilities
 *
 * Framework-agnostic browser detection.
 * Does NOT depend on $app/environment.
 */
import type { SSRStrategy } from '../core/types.js';
/** Returns true if running in a browser environment. */
export declare function isBrowser(): boolean;
/**
 * Handles an SSR operation based on the configured strategy.
 * - 'noop': returns the provided default value silently.
 * - 'throw': throws an error.
 * - function: calls the custom handler, then returns the default.
 */
export declare function handleSSR<T>(strategy: SSRStrategy | undefined, operation: string, defaultValue: T): T;