import type { KeyboardEvent } from "react";
import { type InteractionHostPlatform } from "../lib/host-platform.js";
export declare const HUMAN_BROWSER_HOME_URL = "https://www.google.com/";
/** Apply browser-style omnibox behavior: navigate hosts, search ordinary text. */
export declare function normalizeBrowserAddress(value: string): string | null;
/** Translate executable keyboard chords for the BrowserSession action API. */
export declare function browserKey(event: Pick<KeyboardEvent<HTMLTextAreaElement>, "altKey" | "ctrlKey" | "key" | "metaKey" | "shiftKey">, hostPlatform?: InteractionHostPlatform): string | null;