/**
 * QA360 Assertions Engine
 *
 * Executes assertions against Playwright Page objects
 */
import type { Assertion, AssertionResult, AssertionRunOptions, AssertionGroupResult } from './types.js';
/**
 * Assertions Engine class
 */
export declare class AssertionsEngine {
    private page;
    private defaultTimeout;
    constructor(page: any, defaultTimeout?: number);
    /**
     * Run a single assertion
     */
    runAssertion(assertion: Assertion): Promise<AssertionResult>;
    /**
     * Run multiple assertions
     */
    runAssertions(assertions: Assertion[], options?: Partial<AssertionRunOptions>): Promise<AssertionGroupResult>;
    private isVisible;
    private waitForVisible;
    private isHidden;
    private waitForHidden;
    private isAttached;
    private getTextContent;
    private getInputValue;
    private getAttribute;
    private hasAttribute;
    private getClasses;
    private getTagName;
    private count;
    private isEnabled;
    private isChecked;
    private isFocused;
    private isReadOnly;
    private isSelected;
    private getCssProperty;
    private isInViewport;
    private getBoundingBox;
    private compare;
    private contains;
    private matches;
    private formatError;
}
/**
 * Create an assertions engine
 */
export declare function createAssertionsEngine(page: any, timeout?: number): AssertionsEngine;
export * from './types.js';