import { ValidationException } from './ValidationException';
/**
 * Is this function being invoked in a browser context?
 * See: https://developer.mozilla.org/en-US/docs/Glossary/Browser
 *
 * @returns a boolean indicating whether we are currently in a browser context
 */
export declare const isBrowserContext: () => boolean;
/**
 * Validate that this function is being invoked in a browser context.
 * See: https://developer.mozilla.org/en-US/docs/Glossary/Browser
 *
 * @returns `null` we are in a browser context or a `ValidationException` if not
 */
export declare const validateBrowserContext: () => ValidationException | null;
/**
 * Assert that this function is being invoked in a browser context.
 * See: https://developer.mozilla.org/en-US/docs/Glossary/Browser
 *
 * @throws an `AssertionException` if the function is not invoked in a browser
 * context
 */
export declare const assertBrowserContext: () => void;