import * as z from "zod/v4";
import { ChatContentText, ChatContentText$Outbound } from "./chatcontenttext.js";
import { ConfigurationUpdateReasoning, ConfigurationUpdateReasoning$Outbound } from "./configurationupdatereasoning.js";
/**
 * OpenRouter extension. Changes reasoning effort from this point in the conversation onward without invalidating the prompt cache for the preceding turns. Place it on a content-less system message (`content: ""`) directly before the user message it should apply to, and keep it at that position in later requests. Equivalent to the OpenAI Responses `configuration_update` input item and the Anthropic Messages per-message `output_config.effort`.
 */
export type ChatSystemMessageConfigurationUpdate = {
    /**
     * Reasoning settings applied from this point in the conversation onward
     */
    reasoning: ConfigurationUpdateReasoning;
};
/**
 * System message content
 */
export type ChatSystemMessageContent = string | Array<ChatContentText>;
/**
 * System message for setting behavior
 */
export type ChatSystemMessage = {
    /**
     * OpenRouter extension. Changes reasoning effort from this point in the conversation onward without invalidating the prompt cache for the preceding turns. Place it on a content-less system message (`content: ""`) directly before the user message it should apply to, and keep it at that position in later requests. Equivalent to the OpenAI Responses `configuration_update` input item and the Anthropic Messages per-message `output_config.effort`.
     */
    configurationUpdate?: ChatSystemMessageConfigurationUpdate | null | undefined;
    /**
     * System message content
     */
    content: string | Array<ChatContentText>;
    /**
     * Optional name for the system message
     */
    name?: string | undefined;
    role: "system";
};
/** @internal */
export type ChatSystemMessageConfigurationUpdate$Outbound = {
    reasoning: ConfigurationUpdateReasoning$Outbound;
};
/** @internal */
export declare const ChatSystemMessageConfigurationUpdate$outboundSchema: z.ZodType<ChatSystemMessageConfigurationUpdate$Outbound, ChatSystemMessageConfigurationUpdate>;
export declare function chatSystemMessageConfigurationUpdateToJSON(chatSystemMessageConfigurationUpdate: ChatSystemMessageConfigurationUpdate): string;
/** @internal */
export type ChatSystemMessageContent$Outbound = string | Array<ChatContentText$Outbound>;
/** @internal */
export declare const ChatSystemMessageContent$outboundSchema: z.ZodType<ChatSystemMessageContent$Outbound, ChatSystemMessageContent>;
export declare function chatSystemMessageContentToJSON(chatSystemMessageContent: ChatSystemMessageContent): string;
/** @internal */
export type ChatSystemMessage$Outbound = {
    configuration_update?: ChatSystemMessageConfigurationUpdate$Outbound | null | undefined;
    content: string | Array<ChatContentText$Outbound>;
    name?: string | undefined;
    role: "system";
};
/** @internal */
export declare const ChatSystemMessage$outboundSchema: z.ZodType<ChatSystemMessage$Outbound, ChatSystemMessage>;
export declare function chatSystemMessageToJSON(chatSystemMessage: ChatSystemMessage): string;
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