import type { RenderResult } from '../types.js';
import { type SpyConfig } from './spy-helper.js';
interface RenderOptions {
    /**
     * Whether to clear existing stage containers before rendering. Defaults to true.
     */
    clearStage?: boolean;
    /**
     * Attributes to set on the stage container element. Defaults to { class: 'stencil-component-stage' }.
     */
    stageAttrs?: Record<string, string>;
    /**
     * Wait for the component to be fully rendered before returning.
     * In browser mode, this polls until the element has dimensions.
     * Defaults to true.
     */
    waitForReady?: boolean;
    /**
     * Spy configuration for this render call. Spies on methods, props, and lifecycle hooks.
     */
    spyOn?: SpyConfig;
    /**
     * The CustomElementRegistry in which the component is defined.
     * Defaults to the global `customElements`. Pass a scoped registry when
     * testing Scoped Custom Element Registry scenarios so that
     * `whenDefined()` resolves against the correct registry.
     */
    registry?: CustomElementRegistry;
}
/**
 * Poll until element has dimensions (is rendered/visible in real browser).
 * Accepts either an Element or a CSS selector string.
 * If a selector is provided, waits for the element to appear in the DOM first.
 */
export declare function waitForStable(elementOrSelector: Element | string, timeout?: number): Promise<void>;
/**
 * Poll until element exists in the DOM.
 * Accepts a CSS selector string and waits for a matching element to appear.
 * Works in both real browsers and mock DOM environments.
 */
export declare function waitForExist(selector: string, timeout?: number): Promise<Element | null>;
/**
 * Render using Stencil's render or raw HTML template string
 */
export declare function render<T extends HTMLElement = HTMLElement, I = any>(template: any | string, options?: RenderOptions): Promise<RenderResult<T, I>>;
export {};
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