/** Short ceiling so the probe (and other CLI-side ollama fetches) never stall a command. */
export declare const DEFAULT_PROBE_TIMEOUT_MS = 400;
export interface OllamaProbeResult {
    reachable: boolean;
}
/**
 * Build the discoverability hint shown by doctor/init when a local LLM server
 * is reachable but no LLM is configured. Returns null (no hint) when an LLM is
 * already configured — discovery only, never a nag — or when no server answers.
 * Never auto-enables anything; it only tells the user the keyless lever exists.
 */
export declare function maybeOllamaHint(state: {
    reachable: boolean;
    llmConfigured: boolean;
    baseUrl: string;
}): string | null;
/**
 * Resolve the base URL the hint should probe + suggest. Env `WIGOLO_LLM_BASE_URL`
 * wins; otherwise the canonical local server. Mirrors slice-2's resolution order
 * for the env layer (config.json `llmBaseUrl` is folded in by callers via
 * getConfig().llmBaseUrl, which already layers env > config > default).
 */
export declare function resolveProbeBaseUrl(env?: Record<string, string | undefined>): string;
/**
 * Probe `{baseUrl}/api/tags` with a short timeout. Returns `{ reachable }` and
 * NEVER throws — any error (connection refused, timeout, parse) resolves to
 * `reachable: false`. The AbortSignal guarantees the call cannot outlive
 * `timeoutMs`, so a hung server cannot stall the caller.
 *
 * `fetchImpl` is injected for testability; defaults to global fetch.
 */
export declare function probeOllama(baseUrl: string, fetchImpl?: typeof fetch, timeoutMs?: number): Promise<OllamaProbeResult>;
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