/**
 * Anthropic API Client Module
 *
 * Handles communication with the Anthropic Claude API.
 * Formats requests according to the Anthropic Messages API specification
 * and parses both regular and streaming responses.
 */
import type { LLMStreamChunk } from '../../llm_api/types.js';
export interface AnthropicTextContent {
    type: 'text';
    text: string;
}
export interface AnthropicImageContent {
    type: 'image';
    source: {
        type: 'base64';
        media_type: string;
        data: string;
    };
}
export interface AnthropicDocumentContent {
    type: 'document';
    source: {
        type: 'base64';
        media_type: 'application/pdf';
        data: string;
    };
}
export type AnthropicContent = AnthropicTextContent | AnthropicImageContent | AnthropicDocumentContent;
export interface AnthropicMessage {
    role: 'user' | 'assistant';
    content: AnthropicContent[];
}
export interface AnthropicGenerationConfig {
    max_tokens?: number;
    temperature?: number;
    top_p?: number;
    top_k?: number;
}
/**
 * Call the Anthropic Messages API (non-streaming)
 * @param opts - API call options
 * @returns Raw API response and HTTP status code
 */
export declare function call_anthropic_api(opts: {
    api_key: string;
    api_url: string;
    api_version: string;
    model: string;
    messages: AnthropicMessage[];
    generation_config?: AnthropicGenerationConfig;
}): Promise<{
    raw: Record<string, unknown>;
    status: number;
}>;
/**
 * Call the Anthropic Messages API with streaming enabled.
 * Yields LLMStreamChunk objects as SSE events arrive.
 *
 * @param opts - API call options (same as non-streaming, plus stream=true)
 * @yields LLMStreamChunk objects with text deltas or done/error signals
 */
export declare function call_anthropic_api_stream(opts: {
    api_key: string;
    api_url: string;
    api_version: string;
    model: string;
    messages: AnthropicMessage[];
    generation_config?: AnthropicGenerationConfig;
}): AsyncGenerator<LLMStreamChunk, void, unknown>;
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