/**
 * Anthropic provider implementation for structured LLM client.
 * Uses the Anthropic SDK directly with manual agent loop.
 */
import Anthropic from "@anthropic-ai/sdk";
import type { MessageParam } from "@anthropic-ai/sdk/resources/messages";
import { BaseStructuredLLMProvider } from "./base-provider";
import type { BaseZodToolDefinition, ToolCall, ToolResult, AgentRunOptions, ProviderResponse } from "./types";
import { modelByProvider } from "../provider-and-models";
export type AnthropicModel = (typeof modelByProvider.anthropic)[number];
/**
 * Conversation state for Anthropic provider.
 * Stores the message history in Anthropic's format.
 */
interface AnthropicConversationState {
    messages: MessageParam[];
}
/**
 * Anthropic-specific response type.
 */
type AnthropicResponse = ProviderResponse<Anthropic.Message>;
/**
 * Anthropic provider implementation.
 * Migrated from the original structured-llm-client.ts implementation.
 */
export declare class AnthropicStructuredProvider extends BaseStructuredLLMProvider {
    protected readonly providerName = "anthropic";
    protected initializeConversation(prompt: string): AnthropicConversationState;
    protected callAPI<T>(state: AnthropicConversationState, tools: BaseZodToolDefinition[], options: AgentRunOptions<T>): Promise<AnthropicResponse>;
    protected extractSubmitOutput(response: AnthropicResponse): unknown;
    protected extractToolCalls(response: AnthropicResponse): ToolCall[];
    protected appendToConversation(state: AnthropicConversationState, response: AnthropicResponse, results: ToolResult[]): void;
}
export {};
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