import { z } from "zod";
/**
 * A JSON schema for a Message instance.
 */
export declare const messageSchema: z.ZodObject<{
    id: z.ZodOptional<z.ZodString>;
    role: z.ZodUnion<[z.ZodLiteral<"user">, z.ZodLiteral<"assistant">, z.ZodLiteral<"system">, z.ZodLiteral<"function">]>;
    content: z.ZodNullable<z.ZodString>;
    name: z.ZodOptional<z.ZodString>;
    function_call: z.ZodOptional<z.ZodObject<{
        name: z.ZodString;
        arguments: z.ZodRecord<z.ZodString, z.ZodAny>;
    }, "strip", z.ZodTypeAny, {
        name: string;
        arguments: Record<string, any>;
    }, {
        name: string;
        arguments: Record<string, any>;
    }>>;
    model: z.ZodOptional<z.ZodString>;
    flags: z.ZodOptional<z.ZodUnion<[z.ZodArray<z.ZodString, "many">, z.ZodNull]>>;
}, "strip", z.ZodTypeAny, {
    role: "function" | "user" | "assistant" | "system";
    content: string | null;
    id?: string | undefined;
    name?: string | undefined;
    function_call?: {
        name: string;
        arguments: Record<string, any>;
    } | undefined;
    model?: string | undefined;
    flags?: string[] | null | undefined;
}, {
    role: "function" | "user" | "assistant" | "system";
    content: string | null;
    id?: string | undefined;
    name?: string | undefined;
    function_call?: {
        name: string;
        arguments: Record<string, any>;
    } | undefined;
    model?: string | undefined;
    flags?: string[] | null | undefined;
}>;
/**
 * A JSON representation of a Message instance.
 */
export type MessageModel = z.infer<typeof messageSchema>;