/**
 * Anthropic Claude Provider Implementation
 *
 * Implements the LLMClient interface for Anthropic's Claude models.
 * Supports Claude 3.5 Sonnet, Claude 3 Opus, and Claude 3 Haiku with tool use and streaming.
 */
import type { LLMClient, LLMClientConfig, ChatParams, ChatResponse, ChatChunk, Message } from '../client';
/**
 * Supported Anthropic Claude models
 */
export declare const ANTHROPIC_MODELS: {
    readonly CLAUDE_3_5_SONNET: "claude-3-5-sonnet-20241022";
    readonly CLAUDE_3_5_SONNET_LEGACY: "claude-3-5-sonnet-20240620";
    readonly CLAUDE_3_OPUS: "claude-3-opus-20240229";
    readonly CLAUDE_3_SONNET: "claude-3-sonnet-20240229";
    readonly CLAUDE_3_HAIKU: "claude-3-haiku-20240307";
};
/**
 * Anthropic-specific configuration
 */
export interface AnthropicClientConfig extends LLMClientConfig {
    /** Anthropic API version (defaults to latest) */
    apiVersion?: string;
    /** Default model to use if not specified in requests */
    defaultModel?: string;
}
/**
 * Anthropic Claude LLM Client
 *
 * Provides integration with Anthropic's Claude models through the Messages API.
 */
export declare class AnthropicClient implements LLMClient {
    readonly provider = "anthropic";
    private client;
    private config;
    constructor(config: AnthropicClientConfig);
    /**
     * Generate a chat completion
     */
    chat(params: ChatParams): Promise<ChatResponse>;
    /**
     * Generate a streaming chat completion
     */
    chatStream(params: ChatParams): AsyncIterableIterator<ChatChunk>;
    /**
     * Count tokens in a message or text
     *
     * Note: Anthropic doesn't provide a direct token counting API.
     * This uses a rough estimation based on character count.
     * For accurate counts, make an actual API call with max_tokens=1.
     */
    countTokens(input: string | Message[], model: string): Promise<number>;
    /**
     * List available models
     */
    listModels(): Promise<string[]>;
    /**
     * Validate API credentials
     */
    validateCredentials(): Promise<boolean>;
    /**
     * Convert messages from LLMClient format to Anthropic format
     */
    private convertMessages;
    /**
     * Convert tools from LLMClient format to Anthropic format
     */
    private convertTools;
    /**
     * Convert Anthropic response to LLMClient format
     */
    private convertResponse;
    /**
     * Convert streaming event to chat chunk
     */
    private convertStreamEvent;
    /**
     * Convert Anthropic stop reason to LLMClient finish reason
     */
    private convertStopReason;
    /**
     * Convert usage statistics
     */
    private convertUsage;
    /**
     * Handle and convert Anthropic errors to LLMClient errors
     */
    private handleError;
}
//# sourceMappingURL=anthropic.d.ts.map