import * as z from "zod/v4";
import { InternChatMessageContent, InternChatMessageContent$Outbound } from "./internchatmessagecontent.js";
/**
 * A system message. Accepted for client compatibility and not forwarded.
 */
export type InternChatSystemMessage = {
    /**
     * Message text as a string or a list of text parts. Assistant history may carry null. Only the last message is read; earlier messages are accepted so ordinary clients can resend history.
     */
    content: InternChatMessageContent | null;
    role: "system";
};
/** @internal */
export type InternChatSystemMessage$Outbound = {
    content: InternChatMessageContent$Outbound | null;
    role: "system";
};
/** @internal */
export declare const InternChatSystemMessage$outboundSchema: z.ZodType<InternChatSystemMessage$Outbound, InternChatSystemMessage>;
export declare function internChatSystemMessageToJSON(internChatSystemMessage: InternChatSystemMessage): string;
//# sourceMappingURL=internchatsystemmessage.d.ts.map