import type { PlaywrightBrowser } from '../playwright/client.js';
/**
 * Creates a Vercel AI tool for evaluating JavaScript.
 * Thin wrapper around PlaywrightBrowser.evaluate()
 */
export declare function createEvaluateTool(client: PlaywrightBrowser): import("ai").Tool<{
    script: string;
    args?: any[] | undefined;
}, {
    success: boolean;
    result: any;
    error?: never;
} | {
    success: boolean;
    error: string;
    result?: never;
}>;
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