export declare const MessageRole: import("arktype/internal/variants/string.ts").StringType<"assistant" | "system" | "user", {}>;
export type MessageRole = typeof MessageRole.infer;
export declare const TextContent: import("arktype/internal/variants/object.ts").ObjectType<{
    type: "text";
    text: string;
}, {}>;
export type TextContent = typeof TextContent.infer;
export declare const ImageUrlContent: import("arktype/internal/variants/object.ts").ObjectType<{
    type: "image_url";
    image_url: {
        url: string;
    };
}, {}>;
export type ImageUrlContent = typeof ImageUrlContent.infer;
export declare const MessageContent: import("arktype/internal/variants/object.ts").ObjectType<{
    type: "text";
    text: string;
} | {
    type: "image_url";
    image_url: {
        url: string;
    };
}, {}>;
export type MessageContent = typeof MessageContent.infer;
export declare const ChatMessage: import("arktype/internal/variants/object.ts").ObjectType<{
    role: "assistant" | "system" | "user";
    content: ({
        type: "text";
        text: string;
    } | {
        type: "image_url";
        image_url: {
            url: string;
        };
    })[];
}, {}>;
export type ChatMessage = typeof ChatMessage.infer;
export declare const LLMRequest: import("arktype/internal/variants/object.ts").ObjectType<{
    model?: string | undefined;
    messages: {
        role: "assistant" | "system" | "user";
        content: ({
            type: "text";
            text: string;
        } | {
            type: "image_url";
            image_url: {
                url: string;
            };
        })[];
    }[];
    stream?: boolean | undefined;
    temperature?: number | undefined;
    max_tokens?: number | undefined;
    top_p?: number | undefined;
    logprobs?: boolean | undefined;
    top_logsprobs?: number | undefined;
    frequency_penalty?: number | undefined;
    presence_penalty?: number | undefined;
    stop?: string | string[] | undefined;
    verbosity?: "high" | "low" | "max" | "medium" | undefined;
    modalities?: string[] | undefined;
}, {}>;
export type LLMRequest = typeof LLMRequest.infer;
export declare const isMessageRole: (msg: unknown) => msg is MessageRole;
export declare const isChatMessage: (msg: unknown) => msg is ChatMessage;
export declare const isLLMRequest: (msg: unknown) => msg is LLMRequest;