import type { RuntimeContext } from "../runtime/state/context.js";
import type { StateStack } from "../runtime/state/stateStack.js";
import type { ThreadStore } from "../runtime/state/threadStore.js";
export declare function _args(): string[];
export declare function _cwd(): string;
export declare function _env(name: string): string | null;
export declare function _exit(code: number): Promise<void>;
export declare function _isTTY(): boolean;
export declare function _readStdin(): Promise<string>;
export declare function _setEnv(name: string, value: string): void;
/** Deprecated context-injected wrapper kept during the ALS migration;
 *  see `_openUrl`. */
export declare function __internal_openUrl(ctx: RuntimeContext<any>, stack: StateStack, _threads: ThreadStore, url: string): Promise<void>;
/** ALS-reading replacement for `__internal_openUrl`. */
export declare function _openUrl(url: string): Promise<void>;
/** Deprecated; see `_screenshot`. */
export declare function __internal_screenshot(ctx: RuntimeContext<any>, stack: StateStack, _threads: ThreadStore, filepath: string, x: number, y: number, width: number, height: number): Promise<void>;
/** ALS-reading replacement for `__internal_screenshot`. */
export declare function _screenshot(filepath: string, x: number, y: number, width: number, height: number, allowedPaths?: string[]): Promise<void>;
export declare function _setTitle(title: string): void;
/** The policy scope for std::openUrl: the hostname, so "approve always
 *  here" covers one site. A URL with no hostname (`mailto:`, `file:`) and
 *  a string that is not a URL both return the whole string, so each pins
 *  only itself; a shared "" would let one approval cover them all. */
export declare function _urlHost(url: string): string;