import { type Runner } from "../internals/proc.js";
import type { HostAdapter, Platform } from "./base.js";
/** Resolve the effective platform, honoring the `AIH_PLATFORM` test override. */
export declare function resolvePlatform(env?: NodeJS.ProcessEnv): Platform;
export interface HostAdapterOptions {
    platform?: Platform;
    run?: Runner;
    env?: NodeJS.ProcessEnv;
}
/** Construct the host adapter for this (or an overridden) platform. */
export declare function makeHostAdapter(opts?: HostAdapterOptions): HostAdapter;