import type Anthropic from "@anthropic-ai/sdk";
import type { Message } from "@use-crux/core";
export type { AnthropicAssistantTurn } from "./assistant-turn-codec";
/** Anthropic provider transcript codec used by request builders and response normalization. */
export declare const anthropicTranscript: import("@use-crux/core/adapter").NativeTranscriptCodec<Anthropic.Messages.MessageParam, Pick<Anthropic.Messages.Message, "content">>;
/**
 * Convert canonical Crux messages into Anthropic request messages.
 *
 * Compatibility wrapper around the compiled {@link anthropicTranscript} codec;
 * Anthropic-specific tool-round semantics are owned by the canonical IR in core.
 */
export declare function fromMessages(messages: readonly Message[]): Anthropic.MessageParam[];
/**
 * Convert Anthropic request messages back into canonical Crux messages.
 *
 * Compatibility wrapper around {@link anthropicTranscript}: `tool_use` blocks
 * become assistant `metadata.toolCalls` and `tool_result` blocks become
 * canonical `tool` messages.
 */
export declare function toMessages(sdkMessages: readonly unknown[]): Message[];