agentfootprint/dist/types/adapters/llm/retryAfter.d.ts

The explainable agent framework — backtrack a wrong answer to the exact context that caused it (evidence, not guesses). Built on footprintjs.

/**
 * retryAfter — the wait a vendor's response headers state, for an adapter to
 * DECLARE on the error it raises (`retryAfterMs`).
 *
 * Pattern: pure reader (no I/O). Role: outer ring, below the adapters.
 *
 * `withRetry` never reads headers or prose — it reads the declared field
 * (resilience/statedWait.ts · statedRetryAfterMs). Each adapter knows its own
 * wire, so the reading happens here, once, for every adapter that can see
 * headers:
 *
 *   - `retry-after-ms` — milliseconds, sent by the Anthropic and OpenAI APIs
 *     (their own SDKs read it first too);
 *   - `retry-after` — the standard header, delta-seconds or an HTTP-date
 *     (mcp/throttleRetry.ts · parseRetryAfter, the one parser of it).
 *
 * Headers arrive as a fetch `Headers` (anything with `get`) or a plain record
 * (older SDKs, the AWS SDK's `$response.headers`); both are read
 * case-insensitively. Anything unreadable is absent, never a guess.
 */
/** The stated wait in ms, or `undefined` when the headers state none. */
export declare function retryAfterMsFromHeaders(headers: unknown): number | undefined;
/**
 * The same wait read off an SDK error: `err.headers` (Anthropic and OpenAI SDK
 * `APIError`) or `err.$response.headers` (AWS SDK v3 exceptions).
 */
export declare function retryAfterMsFromError(err: unknown): number | undefined;
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