/**
 * Anthropic Batch API client for ralph-starter.
 *
 * Submits multiple requests as a batch for 50% cost reduction.
 * Batch requests are processed asynchronously (up to 24 hours).
 */
export interface BatchRequest {
    /** Unique identifier for this request within the batch */
    customId: string;
    /** System message (project context, specs, etc.) */
    system?: string;
    /** User message (the task prompt) */
    prompt: string;
    /** Model to use */
    model?: string;
    /** Max tokens for the response */
    maxTokens?: number;
}
export interface BatchResult {
    /** The custom_id from the request */
    customId: string;
    /** Whether this individual request succeeded */
    success: boolean;
    /** The response content (if successful) */
    content?: string;
    /** Error message (if failed) */
    error?: string;
    /** Token usage */
    usage?: {
        inputTokens: number;
        outputTokens: number;
    };
}
export interface BatchStatus {
    /** The batch ID */
    batchId: string;
    /** Current processing status */
    status: 'in_progress' | 'canceling' | 'ended';
    /** Number of requests in the batch */
    totalRequests: number;
    /** Number of completed requests */
    completedRequests: number;
    /** Number of failed requests */
    failedRequests: number;
    /** When the batch was created */
    createdAt: string;
    /** When the batch finished (if ended) */
    endedAt?: string;
}
/**
 * Submit a batch of requests to the Anthropic Batch API.
 * Returns the batch ID for polling.
 */
export declare function submitBatch(apiKey: string, requests: BatchRequest[]): Promise<string>;
/**
 * Poll a batch for its current status.
 */
export declare function getBatchStatus(apiKey: string, batchId: string): Promise<BatchStatus>;
/**
 * Retrieve results for a completed batch.
 */
export declare function getBatchResults(apiKey: string, batchId: string): Promise<BatchResult[]>;
/**
 * Poll a batch until it completes, with exponential backoff.
 * Calls onProgress on each poll for status updates.
 */
export declare function waitForBatch(apiKey: string, batchId: string, options?: {
    /** Callback on each poll */
    onProgress?: (status: BatchStatus) => void;
    /** Maximum wait time in ms (default: 24 hours) */
    maxWaitMs?: number;
    /** Initial poll interval in ms (default: 5 seconds) */
    initialIntervalMs?: number;
    /** Maximum poll interval in ms (default: 60 seconds) */
    maxIntervalMs?: number;
}): Promise<BatchStatus>;
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