import type { AIDriver, AIDriverConfig, AIMessage, AIResult, ChatCompletionOptions } from '../../types';
/**
 * Configure Anthropic globally
 */
export declare function configure(config: AnthropicDriverConfig): void;
export declare function createAnthropicDriver(config: AnthropicDriverConfig): AIDriver;
/**
 * Chat completion with full options. Supports tools + structured
 * output via `responseFormat` (stacksjs/stacks#1878 A-1).
 */
export declare function chat(messages: AIMessage[], options?: ChatCompletionOptions & { system?: string }): Promise<AIResult>;
/**
 * Stream chat completion
 */
export declare function streamChat(messages: AIMessage[], options?: ChatCompletionOptions & { system?: string }): AsyncGenerator<string>;
/**
 * Simple prompt helper
 */
export declare function prompt(text: string, options?: ChatCompletionOptions & { system?: string }): Promise<string>;
/**
 * Count tokens (approximate)
 * Note: This is a rough estimate. For accurate counts, use the tokenizer.
 */
export declare function estimateTokens(text: string): number;
export declare const anthropicDriver: { create: typeof createAnthropicDriver };
export declare const anthropic: {
  configure: typeof configure;
  chat: typeof chat;
  streamChat: typeof streamChat;
  prompt: typeof prompt;
  estimateTokens: typeof estimateTokens;
  createDriver: unknown
};
export declare interface AnthropicDriverConfig extends AIDriverConfig {
  apiKey: string
  model?: string
  maxTokens?: number
  anthropicVersion?: string
}
export default anthropic;