/**
 * Shared Anthropic API utilities — rate-limit retry, sleep, etc.
 * Used by both the pipeline agent-runner and the loop fix-agent.
 */
import Anthropic from '@anthropic-ai/sdk';
/**
 * Sleep for a given number of milliseconds.
 */
export declare function sleep(ms: number): Promise<void>;
/**
 * Call the Anthropic API with retry/backoff for rate limit (429) errors.
 * Retries up to MAX_RATE_LIMIT_RETRIES times with exponential backoff.
 */
export declare function createWithRetry(client: Anthropic, params: Anthropic.MessageCreateParamsNonStreaming, callerName: string): Promise<Anthropic.Message>;
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