import type { PiMessage } from "./types";
/** Resolve a promise with a timeout fallback. Never rejects — logs on timeout. */
export declare function withTimeout(promise: Promise<unknown>, ms: number, _label: string): Promise<void>;
/** Extract the final text output from parsed pi messages. */
export declare function getFinalOutput(messages: PiMessage[]): string;
/**
 * Collect environment variables to forward from the host to the VM.
 *
 * Two sources are merged (explicit overrides prefix):
 * 1. `FREESTYLE_ENV_*` prefix convention — e.g. FREESTYLE_ENV_GITHUB_TOKEN
 *    becomes GITHUB_TOKEN in the VM.
 * 2. Explicit `GITHUB_TOKEN` on the host (kept for backwards compatibility).
 *
 * Freestyle-internal vars (FREESTYLE_API_KEY, FREESTYLE_API_URL) are excluded.
 */
export declare function collectForwardedEnv(): Record<string, string>;
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