import type { BatchJobRef, BatchJobState, BatchOutputItem, BatchProvider, BatchProviderCallContext, BatchProviderInfo, BatchSubmitRequest } from '../types/batch.js';
/** Options for the Anthropic batch provider. */
export interface AnthropicBatchProviderOptions {
    /** Anthropic API key. */
    apiKey: string;
    /** API base URL. Defaults to `https://api.anthropic.com/v1`. */
    baseUrl?: string;
    /** Sent as `anthropic-version`. Defaults to `2023-06-01`. */
    version?: string;
    /** Headers added to every request. */
    headers?: Record<string, string>;
    /** Replaces the global `fetch`. */
    fetch?: typeof fetch;
    /** Applied to any item that names no model. */
    defaultModel?: string;
    /**
     * Output token limit for items that set none. Defaults to 1,024, since Anthropic requires one.
     */
    maxTokens?: number;
}
/** Anthropic Message Batches: half price, 24-hour window. */
export declare class AnthropicBatchProvider implements BatchProvider {
    private readonly options;
    /** Always `anthropic`, with its batch limits. */
    readonly info: BatchProviderInfo;
    constructor(options: AnthropicBatchProviderOptions);
    /** Submits a batch of message requests. */
    submit(request: BatchSubmitRequest, context: BatchProviderCallContext): Promise<BatchJobRef>;
    /** Reads a batch's status and counts. */
    poll(ref: BatchJobRef, context: BatchProviderCallContext): Promise<BatchJobState>;
    /** Reads a finished batch's results. */
    results(ref: BatchJobRef, context: BatchProviderCallContext): Promise<BatchOutputItem[]>;
    /** Cancels a batch. Items already processed keep their results. */
    cancel(ref: BatchJobRef, context: BatchProviderCallContext): Promise<BatchJobState>;
    private toState;
    private toOutputItem;
    private request;
    private requestText;
    private send;
}