/**
 * humanizeLLMError — turn a raw provider/SDK error into a plain-language
 * sentence a NON-developer can act on.
 *
 * agentfootprint targets vibe-coding / non-developer builders. A raw
 * "[browser-anthropic] Failed to fetch" or "401 Unauthorized" means
 * nothing to them. This maps the common failure shapes to a friendly,
 * actionable message. The raw error is preserved on `.cause` (and via
 * `wrapLLMError`) so developers can still dig in.
 *
 * Pure + dependency-light: string/shape matching only. Extend the cases
 * as new provider failure modes surface — keep each message short and
 * tell the user what to DO.
 */
/**
 * The FIXED sentences {@link humanizeLLMError} answers with — every answer
 * except the fallback, which quotes the raw message. A reader that sends a
 * failure somewhere a person reads it (an AG-UI `RUN_ERROR`) passes on only
 * these: the fallback's raw text may hold anything a provider put in it.
 */
export declare const LLM_ERROR_SENTENCES: Readonly<{
    readonly unreachable: "Couldn't reach the AI model. Check your internet connection, and that the provider/API key is set up correctly.";
    readonly auth: "The AI provider rejected the request — the API key looks missing or invalid. Add or fix it in Settings.";
    readonly rateLimited: "The AI provider is busy (rate limit / quota). Wait a moment, then try again.";
    readonly timeout: "The AI model took too long to respond. Try again — if it keeps happening, simplify the request.";
    readonly providerDown: "The AI provider had a temporary problem on their end. Try again in a moment.";
    readonly rejected: "The AI request was rejected — the model name or request may be wrong. Check the model in the code.";
    readonly unknown: "The AI call failed for an unknown reason.";
}>;
/** Map a thrown provider/SDK error to a friendly, actionable sentence. */
export declare function humanizeLLMError(err: unknown): string;
/**
 * Wrap a raw provider error in a fresh Error whose `.message` is the
 * humanized sentence, preserving the original on `.cause` for developers
 * (and "Copy for LLM"). Re-throw this from the LLM call site so the
 * friendly message flows through onError → onRunFailed → the monitor.
 */
export declare function wrapLLMError(err: unknown): Error;
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