/**
 * Deterministic checks that ride along with capture. Every check returns
 * findings (empty = pass) and never throws for a finding; only infrastructure
 * failures throw.
 */
import type { Locator, Page } from "playwright";
import type { DeterministicFinding } from "../types.js";
export interface ConsoleCollector {
    drain(): DeterministicFinding[];
    dispose(): void;
}
export declare function attachConsoleCollector(page: Page): ConsoleCollector;
export declare function checkHorizontalOverflow(page: Page, element: Locator | null): Promise<DeterministicFinding[]>;
export declare function blankShotGuard(png: Buffer | Uint8Array): Promise<DeterministicFinding[]>;
/**
 * The page must still be on the target it was pointed at. An app that bounces
 * to a different origin (a login host, an SSO provider, a marketing site) will
 * otherwise be photographed and filed under the route that was requested, so
 * every finding on that shot describes the wrong application.
 *
 * Same-origin redirects are fine and stay silent: only a different origin is
 * reported, because that is the one the route label can no longer describe.
 */
export declare function checkOffOrigin(finalUrl: string, targetUrl: string): DeterministicFinding[];
/** Two samples 400ms apart differing means animation; hash caching is then unreliable. */
export declare function detectAnimated(page: Page, element: Locator | null): Promise<boolean>;