/**
 * Custom matchers for Stencil component testing
 *
 * These extend Vitest's expect with Stencil-specific assertions
 */
/**
 * Custom matchers interface
 */
interface CustomMatchers<R = unknown> {
    /** Asserts element has the specified CSS class. */
    toHaveClass(className: string): R;
    /** Asserts element has all specified CSS classes. */
    toHaveClasses(classNames: string[]): R;
    /** Asserts element has exactly the specified CSS classes (no more, no less). */
    toMatchClasses(classNames: string[]): R;
    /** Asserts element has the attribute, optionally with a specific value. */
    toHaveAttribute(attribute: string, value?: string): R;
    /** Asserts element attribute equals the expected value exactly. */
    toEqualAttribute(attribute: string, value: string): R;
    /** Asserts element has all specified attributes with exact values. */
    toEqualAttributes(expectedAttrs: Record<string, string>): R;
    /** Asserts element has the property, optionally with a specific value. */
    toHaveProperty(property: string, value?: any): R;
    /** Asserts element's text content (including shadow DOM) contains the specified text. */
    toHaveTextContent(text: string): R;
    /** Asserts element's light DOM text content contains the specified text. */
    toHaveLightTextContent(text: string): R;
    /** Asserts element's trimmed text content (including shadow DOM) equals the expected text exactly. */
    toEqualText(expectedText: string): R;
    /** Asserts element's trimmed light DOM text content (excluding shadow DOM) equals the expected text exactly. */
    toEqualLightText(expectedText: string): R;
    /** Asserts element has an attached shadow root. */
    toHaveShadowRoot(): R;
    /** Asserts element's serialized HTML (including shadow DOM) matches expected HTML. */
    toEqualHtml(expectedHtml: string): R;
    /** Asserts element's light DOM HTML (excluding shadow DOM internals) matches expected HTML. */
    toEqualLightHtml(expectedHtml: string): R;
    /** Asserts event spy has received at least one event. */
    toHaveReceivedEvent(): R;
    /** Asserts event spy has received exactly the specified number of events. */
    toHaveReceivedEventTimes(count: number): R;
    /** Asserts event spy's last received event has the expected detail. */
    toHaveReceivedEventDetail(detail: any): R;
    /** Asserts event spy's first received event has the expected detail. */
    toHaveFirstReceivedEventDetail(detail: any): R;
    /** Asserts event spy's last received event has the expected detail. */
    toHaveLastReceivedEventDetail(detail: any): R;
    /** Asserts event spy's nth received event (0-indexed) has the expected detail. */
    toHaveNthReceivedEventDetail(index: number, detail: any): R;
}
declare module 'vitest' {
    interface Assertion<T = any> extends CustomMatchers<T> {
    }
    interface Matchers<T = any, R = T> extends CustomMatchers<R> {
    }
    interface AsymmetricMatchersContaining extends CustomMatchers {
    }
}
export {};
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