import type { Guarded, PrimitiveOrConstructor } from '@toreda/types';
/**
 * Determine whether object is an instance of provided type or className.
 * @param o
 * @param className
 * @returns
 *
 * @category Validators
 */
export declare function typeMatch<T extends PrimitiveOrConstructor>(o: unknown, className: T): o is Guarded<T>;
/**
 * Alias for typeMatch for backwards compat.
 *
 * @category Validators
 */
export declare const isType: typeof typeMatch;