import { Provider } from './provider';
import { ContextBase, MergeC, NoContext, Setdown, Setup } from './types';
/**
 * A test context allows incrementally consumer test context providers that augment the test suite in a modular way.
 * Each test context provider may supply new values to the test context and integrate into Jest's before/after hooks.
 */
export interface Kont<BAC1 extends ContextBase, BEC1 extends ContextBase> {
    beforeAll<BAC2 extends ContextBase>(setup: Setup<BAC1, BAC2>): Kont<NoContext extends BAC2 ? BAC1 : MergeC<BAC1, BAC2>, NoContext extends BAC2 ? BEC1 : MergeC<BEC1, BAC2>>;
    beforeEach<BEC2 extends ContextBase>(setup: Setup<BEC1, BEC2>): Kont<BAC1, NoContext extends BEC2 ? BEC1 : MergeC<BEC1, BEC2>>;
    afterAll(setdown: Setdown<MergeC<BAC1, BEC1>>): Kont<BAC1, BEC1>;
    afterEach(setdown: Setdown<MergeC<BAC1, BEC1>>): Kont<BAC1, BEC1>;
    useBeforeAll<BAC2 extends ContextBase>(provider: Provider<BAC1, BAC2>): Kont<NoContext extends BAC2 ? BAC1 : MergeC<BAC1, BAC2>, NoContext extends BAC2 ? BEC1 : MergeC<BEC1, BAC2>>;
    useBeforeEach<BEC2 extends ContextBase>(provider: Provider<BEC1, BEC2>): Kont<BAC1, NoContext extends BEC2 ? BEC1 : MergeC<BEC1, BEC2>>;
    /**
     * Signal completion of incremental context building.
     */
    done(): MergeC<BAC1, BEC1>;
}
/**
 * Create a new test context.
 *
 * A test context allows incrementally consumer test context providers that augment the test suite in a
 * modular way.
 * Each test context provider may supply new values to the test context and integrate into Jest's before/after
 * hooks.
 *
 * @example
 *
 *   const ctx = createTestContext().use(browserPage(user1)).done()
 *
 *   it('foobar', () => {
 *     ctx.page.goTo('...')
 *   })
 *
 */
export declare function kont<C extends ContextBase = NoContext, C2 extends ContextBase = NoContext>(): Kont<C, C2>;
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