import { type AssistantMessage } from "../../model.js";
/**
 * Represents the lifecycle status of a single assistant message.
 * @internal
 */
export type AssistantMessageState = "loading" | "streaming" | "error" | "cancelled" | "complete";
/**
 * Derives an assistant message status based on cancellation, error, completion, and streamed content.
 * @internal
 */
export declare function getAssistantMessageState(message: AssistantMessage): AssistantMessageState;
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