/**
 * Message types for LLM communication
 * Based on OpenAI types, simplified for Browser Use
 */
import { z } from 'zod';
export declare const ContentPartTextParamSchema: z.ZodObject<{
    text: z.ZodString;
    type: z.ZodDefault<z.ZodLiteral<"text">>;
}, "strip", z.ZodTypeAny, {
    text: string;
    type: "text";
}, {
    text: string;
    type?: "text" | undefined;
}>;
export declare const ContentPartRefusalParamSchema: z.ZodObject<{
    refusal: z.ZodString;
    type: z.ZodDefault<z.ZodLiteral<"refusal">>;
}, "strip", z.ZodTypeAny, {
    type: "refusal";
    refusal: string;
}, {
    refusal: string;
    type?: "refusal" | undefined;
}>;
export declare const SupportedImageMediaTypeSchema: z.ZodEnum<["image/jpeg", "image/png", "image/gif", "image/webp"]>;
export declare const ImageURLSchema: z.ZodObject<{
    url: z.ZodString;
    detail: z.ZodDefault<z.ZodEnum<["auto", "low", "high"]>>;
    media_type: z.ZodDefault<z.ZodEnum<["image/jpeg", "image/png", "image/gif", "image/webp"]>>;
}, "strip", z.ZodTypeAny, {
    url: string;
    detail: "auto" | "low" | "high";
    media_type: "image/jpeg" | "image/png" | "image/gif" | "image/webp";
}, {
    url: string;
    detail?: "auto" | "low" | "high" | undefined;
    media_type?: "image/jpeg" | "image/png" | "image/gif" | "image/webp" | undefined;
}>;
export declare const ContentPartImageParamSchema: z.ZodObject<{
    image_url: z.ZodObject<{
        url: z.ZodString;
        detail: z.ZodDefault<z.ZodEnum<["auto", "low", "high"]>>;
        media_type: z.ZodDefault<z.ZodEnum<["image/jpeg", "image/png", "image/gif", "image/webp"]>>;
    }, "strip", z.ZodTypeAny, {
        url: string;
        detail: "auto" | "low" | "high";
        media_type: "image/jpeg" | "image/png" | "image/gif" | "image/webp";
    }, {
        url: string;
        detail?: "auto" | "low" | "high" | undefined;
        media_type?: "image/jpeg" | "image/png" | "image/gif" | "image/webp" | undefined;
    }>;
    type: z.ZodDefault<z.ZodLiteral<"image_url">>;
}, "strip", z.ZodTypeAny, {
    type: "image_url";
    image_url: {
        url: string;
        detail: "auto" | "low" | "high";
        media_type: "image/jpeg" | "image/png" | "image/gif" | "image/webp";
    };
}, {
    image_url: {
        url: string;
        detail?: "auto" | "low" | "high" | undefined;
        media_type?: "image/jpeg" | "image/png" | "image/gif" | "image/webp" | undefined;
    };
    type?: "image_url" | undefined;
}>;
export declare const FunctionSchema: z.ZodObject<{
    arguments: z.ZodString;
    name: z.ZodString;
}, "strip", z.ZodTypeAny, {
    arguments: string;
    name: string;
}, {
    arguments: string;
    name: string;
}>;
export declare const ToolCallSchema: z.ZodObject<{
    id: z.ZodString;
    function: z.ZodObject<{
        arguments: z.ZodString;
        name: z.ZodString;
    }, "strip", z.ZodTypeAny, {
        arguments: string;
        name: string;
    }, {
        arguments: string;
        name: string;
    }>;
    type: z.ZodDefault<z.ZodLiteral<"function">>;
}, "strip", z.ZodTypeAny, {
    function: {
        arguments: string;
        name: string;
    };
    type: "function";
    id: string;
}, {
    function: {
        arguments: string;
        name: string;
    };
    id: string;
    type?: "function" | undefined;
}>;
export declare const UserMessageSchema: z.ZodObject<{
    cache: z.ZodDefault<z.ZodBoolean>;
} & {
    role: z.ZodDefault<z.ZodLiteral<"user">>;
    content: z.ZodUnion<[z.ZodString, z.ZodArray<z.ZodUnion<[z.ZodObject<{
        text: z.ZodString;
        type: z.ZodDefault<z.ZodLiteral<"text">>;
    }, "strip", z.ZodTypeAny, {
        text: string;
        type: "text";
    }, {
        text: string;
        type?: "text" | undefined;
    }>, z.ZodObject<{
        image_url: z.ZodObject<{
            url: z.ZodString;
            detail: z.ZodDefault<z.ZodEnum<["auto", "low", "high"]>>;
            media_type: z.ZodDefault<z.ZodEnum<["image/jpeg", "image/png", "image/gif", "image/webp"]>>;
        }, "strip", z.ZodTypeAny, {
            url: string;
            detail: "auto" | "low" | "high";
            media_type: "image/jpeg" | "image/png" | "image/gif" | "image/webp";
        }, {
            url: string;
            detail?: "auto" | "low" | "high" | undefined;
            media_type?: "image/jpeg" | "image/png" | "image/gif" | "image/webp" | undefined;
        }>;
        type: z.ZodDefault<z.ZodLiteral<"image_url">>;
    }, "strip", z.ZodTypeAny, {
        type: "image_url";
        image_url: {
            url: string;
            detail: "auto" | "low" | "high";
            media_type: "image/jpeg" | "image/png" | "image/gif" | "image/webp";
        };
    }, {
        image_url: {
            url: string;
            detail?: "auto" | "low" | "high" | undefined;
            media_type?: "image/jpeg" | "image/png" | "image/gif" | "image/webp" | undefined;
        };
        type?: "image_url" | undefined;
    }>]>, "many">]>;
    name: z.ZodOptional<z.ZodString>;
}, "strip", z.ZodTypeAny, {
    role: "user";
    cache: boolean;
    content: string | ({
        text: string;
        type: "text";
    } | {
        type: "image_url";
        image_url: {
            url: string;
            detail: "auto" | "low" | "high";
            media_type: "image/jpeg" | "image/png" | "image/gif" | "image/webp";
        };
    })[];
    name?: string | undefined;
}, {
    content: string | ({
        text: string;
        type?: "text" | undefined;
    } | {
        image_url: {
            url: string;
            detail?: "auto" | "low" | "high" | undefined;
            media_type?: "image/jpeg" | "image/png" | "image/gif" | "image/webp" | undefined;
        };
        type?: "image_url" | undefined;
    })[];
    name?: string | undefined;
    role?: "user" | undefined;
    cache?: boolean | undefined;
}>;
export declare const SystemMessageSchema: z.ZodObject<{
    cache: z.ZodDefault<z.ZodBoolean>;
} & {
    role: z.ZodDefault<z.ZodLiteral<"system">>;
    content: z.ZodUnion<[z.ZodString, z.ZodArray<z.ZodObject<{
        text: z.ZodString;
        type: z.ZodDefault<z.ZodLiteral<"text">>;
    }, "strip", z.ZodTypeAny, {
        text: string;
        type: "text";
    }, {
        text: string;
        type?: "text" | undefined;
    }>, "many">]>;
    name: z.ZodOptional<z.ZodString>;
}, "strip", z.ZodTypeAny, {
    role: "system";
    cache: boolean;
    content: string | {
        text: string;
        type: "text";
    }[];
    name?: string | undefined;
}, {
    content: string | {
        text: string;
        type?: "text" | undefined;
    }[];
    name?: string | undefined;
    role?: "system" | undefined;
    cache?: boolean | undefined;
}>;
export declare const AssistantMessageSchema: z.ZodObject<{
    cache: z.ZodDefault<z.ZodBoolean>;
} & {
    role: z.ZodDefault<z.ZodLiteral<"assistant">>;
    content: z.ZodUnion<[z.ZodString, z.ZodArray<z.ZodUnion<[z.ZodObject<{
        text: z.ZodString;
        type: z.ZodDefault<z.ZodLiteral<"text">>;
    }, "strip", z.ZodTypeAny, {
        text: string;
        type: "text";
    }, {
        text: string;
        type?: "text" | undefined;
    }>, z.ZodObject<{
        refusal: z.ZodString;
        type: z.ZodDefault<z.ZodLiteral<"refusal">>;
    }, "strip", z.ZodTypeAny, {
        type: "refusal";
        refusal: string;
    }, {
        refusal: string;
        type?: "refusal" | undefined;
    }>]>, "many">, z.ZodNull]>;
    name: z.ZodOptional<z.ZodString>;
    refusal: z.ZodOptional<z.ZodString>;
    tool_calls: z.ZodDefault<z.ZodArray<z.ZodObject<{
        id: z.ZodString;
        function: z.ZodObject<{
            arguments: z.ZodString;
            name: z.ZodString;
        }, "strip", z.ZodTypeAny, {
            arguments: string;
            name: string;
        }, {
            arguments: string;
            name: string;
        }>;
        type: z.ZodDefault<z.ZodLiteral<"function">>;
    }, "strip", z.ZodTypeAny, {
        function: {
            arguments: string;
            name: string;
        };
        type: "function";
        id: string;
    }, {
        function: {
            arguments: string;
            name: string;
        };
        id: string;
        type?: "function" | undefined;
    }>, "many">>;
}, "strip", z.ZodTypeAny, {
    role: "assistant";
    cache: boolean;
    content: string | ({
        text: string;
        type: "text";
    } | {
        type: "refusal";
        refusal: string;
    })[] | null;
    tool_calls: {
        function: {
            arguments: string;
            name: string;
        };
        type: "function";
        id: string;
    }[];
    refusal?: string | undefined;
    name?: string | undefined;
}, {
    content: string | ({
        text: string;
        type?: "text" | undefined;
    } | {
        refusal: string;
        type?: "refusal" | undefined;
    })[] | null;
    refusal?: string | undefined;
    name?: string | undefined;
    role?: "assistant" | undefined;
    cache?: boolean | undefined;
    tool_calls?: {
        function: {
            arguments: string;
            name: string;
        };
        id: string;
        type?: "function" | undefined;
    }[] | undefined;
}>;
export declare const BaseMessageSchema: z.ZodUnion<[z.ZodObject<{
    cache: z.ZodDefault<z.ZodBoolean>;
} & {
    role: z.ZodDefault<z.ZodLiteral<"user">>;
    content: z.ZodUnion<[z.ZodString, z.ZodArray<z.ZodUnion<[z.ZodObject<{
        text: z.ZodString;
        type: z.ZodDefault<z.ZodLiteral<"text">>;
    }, "strip", z.ZodTypeAny, {
        text: string;
        type: "text";
    }, {
        text: string;
        type?: "text" | undefined;
    }>, z.ZodObject<{
        image_url: z.ZodObject<{
            url: z.ZodString;
            detail: z.ZodDefault<z.ZodEnum<["auto", "low", "high"]>>;
            media_type: z.ZodDefault<z.ZodEnum<["image/jpeg", "image/png", "image/gif", "image/webp"]>>;
        }, "strip", z.ZodTypeAny, {
            url: string;
            detail: "auto" | "low" | "high";
            media_type: "image/jpeg" | "image/png" | "image/gif" | "image/webp";
        }, {
            url: string;
            detail?: "auto" | "low" | "high" | undefined;
            media_type?: "image/jpeg" | "image/png" | "image/gif" | "image/webp" | undefined;
        }>;
        type: z.ZodDefault<z.ZodLiteral<"image_url">>;
    }, "strip", z.ZodTypeAny, {
        type: "image_url";
        image_url: {
            url: string;
            detail: "auto" | "low" | "high";
            media_type: "image/jpeg" | "image/png" | "image/gif" | "image/webp";
        };
    }, {
        image_url: {
            url: string;
            detail?: "auto" | "low" | "high" | undefined;
            media_type?: "image/jpeg" | "image/png" | "image/gif" | "image/webp" | undefined;
        };
        type?: "image_url" | undefined;
    }>]>, "many">]>;
    name: z.ZodOptional<z.ZodString>;
}, "strip", z.ZodTypeAny, {
    role: "user";
    cache: boolean;
    content: string | ({
        text: string;
        type: "text";
    } | {
        type: "image_url";
        image_url: {
            url: string;
            detail: "auto" | "low" | "high";
            media_type: "image/jpeg" | "image/png" | "image/gif" | "image/webp";
        };
    })[];
    name?: string | undefined;
}, {
    content: string | ({
        text: string;
        type?: "text" | undefined;
    } | {
        image_url: {
            url: string;
            detail?: "auto" | "low" | "high" | undefined;
            media_type?: "image/jpeg" | "image/png" | "image/gif" | "image/webp" | undefined;
        };
        type?: "image_url" | undefined;
    })[];
    name?: string | undefined;
    role?: "user" | undefined;
    cache?: boolean | undefined;
}>, z.ZodObject<{
    cache: z.ZodDefault<z.ZodBoolean>;
} & {
    role: z.ZodDefault<z.ZodLiteral<"system">>;
    content: z.ZodUnion<[z.ZodString, z.ZodArray<z.ZodObject<{
        text: z.ZodString;
        type: z.ZodDefault<z.ZodLiteral<"text">>;
    }, "strip", z.ZodTypeAny, {
        text: string;
        type: "text";
    }, {
        text: string;
        type?: "text" | undefined;
    }>, "many">]>;
    name: z.ZodOptional<z.ZodString>;
}, "strip", z.ZodTypeAny, {
    role: "system";
    cache: boolean;
    content: string | {
        text: string;
        type: "text";
    }[];
    name?: string | undefined;
}, {
    content: string | {
        text: string;
        type?: "text" | undefined;
    }[];
    name?: string | undefined;
    role?: "system" | undefined;
    cache?: boolean | undefined;
}>, z.ZodObject<{
    cache: z.ZodDefault<z.ZodBoolean>;
} & {
    role: z.ZodDefault<z.ZodLiteral<"assistant">>;
    content: z.ZodUnion<[z.ZodString, z.ZodArray<z.ZodUnion<[z.ZodObject<{
        text: z.ZodString;
        type: z.ZodDefault<z.ZodLiteral<"text">>;
    }, "strip", z.ZodTypeAny, {
        text: string;
        type: "text";
    }, {
        text: string;
        type?: "text" | undefined;
    }>, z.ZodObject<{
        refusal: z.ZodString;
        type: z.ZodDefault<z.ZodLiteral<"refusal">>;
    }, "strip", z.ZodTypeAny, {
        type: "refusal";
        refusal: string;
    }, {
        refusal: string;
        type?: "refusal" | undefined;
    }>]>, "many">, z.ZodNull]>;
    name: z.ZodOptional<z.ZodString>;
    refusal: z.ZodOptional<z.ZodString>;
    tool_calls: z.ZodDefault<z.ZodArray<z.ZodObject<{
        id: z.ZodString;
        function: z.ZodObject<{
            arguments: z.ZodString;
            name: z.ZodString;
        }, "strip", z.ZodTypeAny, {
            arguments: string;
            name: string;
        }, {
            arguments: string;
            name: string;
        }>;
        type: z.ZodDefault<z.ZodLiteral<"function">>;
    }, "strip", z.ZodTypeAny, {
        function: {
            arguments: string;
            name: string;
        };
        type: "function";
        id: string;
    }, {
        function: {
            arguments: string;
            name: string;
        };
        id: string;
        type?: "function" | undefined;
    }>, "many">>;
}, "strip", z.ZodTypeAny, {
    role: "assistant";
    cache: boolean;
    content: string | ({
        text: string;
        type: "text";
    } | {
        type: "refusal";
        refusal: string;
    })[] | null;
    tool_calls: {
        function: {
            arguments: string;
            name: string;
        };
        type: "function";
        id: string;
    }[];
    refusal?: string | undefined;
    name?: string | undefined;
}, {
    content: string | ({
        text: string;
        type?: "text" | undefined;
    } | {
        refusal: string;
        type?: "refusal" | undefined;
    })[] | null;
    refusal?: string | undefined;
    name?: string | undefined;
    role?: "assistant" | undefined;
    cache?: boolean | undefined;
    tool_calls?: {
        function: {
            arguments: string;
            name: string;
        };
        id: string;
        type?: "function" | undefined;
    }[] | undefined;
}>]>;
export type ContentPartTextParam = z.infer<typeof ContentPartTextParamSchema>;
export type ContentPartRefusalParam = z.infer<typeof ContentPartRefusalParamSchema>;
export type SupportedImageMediaType = z.infer<typeof SupportedImageMediaTypeSchema>;
export type ImageURL = z.infer<typeof ImageURLSchema>;
export type ContentPartImageParam = z.infer<typeof ContentPartImageParamSchema>;
export type Function = z.infer<typeof FunctionSchema>;
export type ToolCall = z.infer<typeof ToolCallSchema>;
export type UserMessage = z.infer<typeof UserMessageSchema>;
export type SystemMessage = z.infer<typeof SystemMessageSchema>;
export type AssistantMessage = z.infer<typeof AssistantMessageSchema>;
export type BaseMessage = z.infer<typeof BaseMessageSchema>;
export declare class UserMessageHelper implements UserMessage {
    role: 'user';
    content: string | (ContentPartTextParam | ContentPartImageParam)[];
    name?: string;
    cache: boolean;
    constructor(data: UserMessage);
    get text(): string;
    toString(): string;
}
export declare class SystemMessageHelper implements SystemMessage {
    role: 'system';
    content: string | ContentPartTextParam[];
    name?: string;
    cache: boolean;
    constructor(data: SystemMessage);
    get text(): string;
    toString(): string;
}
export declare class AssistantMessageHelper implements AssistantMessage {
    role: 'assistant';
    content: string | (ContentPartTextParam | ContentPartRefusalParam)[] | null;
    name?: string;
    refusal?: string;
    tool_calls: ToolCall[];
    cache: boolean;
    constructor(data: AssistantMessage);
    get text(): string;
    toString(): string;
}
export declare function createContentPartText(text: string): ContentPartTextParam;
export declare function createContentPartImage(url: string, detail?: 'auto' | 'low' | 'high', media_type?: SupportedImageMediaType): ContentPartImageParam;
export declare function createContentPartRefusal(refusal: string): ContentPartRefusalParam;
export declare function createImageURL(url: string, detail?: 'auto' | 'low' | 'high', media_type?: SupportedImageMediaType): ImageURL;
export declare function createUserMessage(content: string | (ContentPartTextParam | ContentPartImageParam)[], options?: Partial<UserMessage>): UserMessage;
export declare function createSystemMessage(content: string | ContentPartTextParam[], options?: Partial<SystemMessage>): SystemMessage;
export declare function createAssistantMessage(content: string | (ContentPartTextParam | ContentPartRefusalParam)[] | null, options?: Partial<AssistantMessage>): AssistantMessage;
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