import { ComputedRef, Ref } from 'vue';
import { Attachment } from '@opentiny/tiny-robot';
import { UnifiedModelConfig } from '../types/model-config';

export interface MultimodalConfig {
    /** 最大文件大小（MB） - 支持响应式 */
    maxFileSize?: number | ComputedRef<number>;
    /** 支持的文件类型（MIME类型前缀，如 'image/'） - 支持响应式 */
    supportedTypes?: string[] | ComputedRef<string[]>;
}
/**
 * 多模态配置（完整版本，支持模型感知）
 */
export interface MultimodalOptionsWithModel {
    /** 当前选中的模型 */
    selectedModel: Ref<UnifiedModelConfig | undefined>;
    /** 当前选中的模型 ID */
    selectedModelId: Ref<string | undefined>;
}
/**
 * 将附件转换为多模态消息内容（AI SDK 格式）
 * @param attachments 附件列表
 * @returns Promise<Array> 多模态消息内容数组
 */
export declare function convertAttachmentsToContent(attachments: Attachment[]): Promise<any[]>;
/**
 * 多模态消息 Composable（基础版本）
 * 适用于不需要模型感知的场景
 */
export declare function useMultimodal(config?: MultimodalConfig): {
    attachments: Ref<({
        url: string;
        size: number;
        rawFile?: {
            readonly lastModified: number;
            readonly name: string;
            readonly webkitRelativePath: string;
            readonly size: number;
            readonly type: string;
            arrayBuffer: () => Promise<ArrayBuffer>;
            bytes: () => Promise<Uint8Array<ArrayBuffer>>;
            slice: (start?: number, end?: number, contentType?: string) => Blob;
            stream: () => ReadableStream<Uint8Array<ArrayBuffer>>;
            text: () => Promise<string>;
        } | undefined;
        id?: string | undefined;
        name?: string | undefined;
        status?: import('@opentiny/tiny-robot').FileStatus | undefined;
        fileType?: import('@opentiny/tiny-robot').FileType | undefined;
        message?: string | undefined;
    } | {
        rawFile: {
            readonly lastModified: number;
            readonly name: string;
            readonly webkitRelativePath: string;
            readonly size: number;
            readonly type: string;
            arrayBuffer: () => Promise<ArrayBuffer>;
            bytes: () => Promise<Uint8Array<ArrayBuffer>>;
            slice: (start?: number, end?: number, contentType?: string) => Blob;
            stream: () => ReadableStream<Uint8Array<ArrayBuffer>>;
            text: () => Promise<string>;
        };
        url?: string | undefined;
        size?: number | undefined;
        id?: string | undefined;
        name?: string | undefined;
        status?: import('@opentiny/tiny-robot').FileStatus | undefined;
        fileType?: import('@opentiny/tiny-robot').FileType | undefined;
        message?: string | undefined;
    })[], Attachment[] | ({
        url: string;
        size: number;
        rawFile?: {
            readonly lastModified: number;
            readonly name: string;
            readonly webkitRelativePath: string;
            readonly size: number;
            readonly type: string;
            arrayBuffer: () => Promise<ArrayBuffer>;
            bytes: () => Promise<Uint8Array<ArrayBuffer>>;
            slice: (start?: number, end?: number, contentType?: string) => Blob;
            stream: () => ReadableStream<Uint8Array<ArrayBuffer>>;
            text: () => Promise<string>;
        } | undefined;
        id?: string | undefined;
        name?: string | undefined;
        status?: import('@opentiny/tiny-robot').FileStatus | undefined;
        fileType?: import('@opentiny/tiny-robot').FileType | undefined;
        message?: string | undefined;
    } | {
        rawFile: {
            readonly lastModified: number;
            readonly name: string;
            readonly webkitRelativePath: string;
            readonly size: number;
            readonly type: string;
            arrayBuffer: () => Promise<ArrayBuffer>;
            bytes: () => Promise<Uint8Array<ArrayBuffer>>;
            slice: (start?: number, end?: number, contentType?: string) => Blob;
            stream: () => ReadableStream<Uint8Array<ArrayBuffer>>;
            text: () => Promise<string>;
        };
        url?: string | undefined;
        size?: number | undefined;
        id?: string | undefined;
        name?: string | undefined;
        status?: import('@opentiny/tiny-robot').FileStatus | undefined;
        fileType?: import('@opentiny/tiny-robot').FileType | undefined;
        message?: string | undefined;
    })[]>;
    handleFilesSelected: (files: File[]) => Promise<void>;
    clearAttachments: () => void;
};
/**
 * 多模态消息 Composable（完整版本）
 * 集成模型感知、自动验证、切换处理等高级功能
 *
 * @param options 包含选中的模型和模型ID
 * @returns 多模态功能的完整API
 */
export declare function useMultimodalWithModel(options: MultimodalOptionsWithModel): {
    hasMultimodalSupport: ComputedRef<boolean>;
    attachments: Ref<({
        url: string;
        size: number;
        rawFile?: {
            readonly lastModified: number;
            readonly name: string;
            readonly webkitRelativePath: string;
            readonly size: number;
            readonly type: string;
            arrayBuffer: () => Promise<ArrayBuffer>;
            bytes: () => Promise<Uint8Array<ArrayBuffer>>;
            slice: (start?: number, end?: number, contentType?: string) => Blob;
            stream: () => ReadableStream<Uint8Array<ArrayBuffer>>;
            text: () => Promise<string>;
        } | undefined;
        id?: string | undefined;
        name?: string | undefined;
        status?: import('@opentiny/tiny-robot').FileStatus | undefined;
        fileType?: import('@opentiny/tiny-robot').FileType | undefined;
        message?: string | undefined;
    } | {
        rawFile: {
            readonly lastModified: number;
            readonly name: string;
            readonly webkitRelativePath: string;
            readonly size: number;
            readonly type: string;
            arrayBuffer: () => Promise<ArrayBuffer>;
            bytes: () => Promise<Uint8Array<ArrayBuffer>>;
            slice: (start?: number, end?: number, contentType?: string) => Blob;
            stream: () => ReadableStream<Uint8Array<ArrayBuffer>>;
            text: () => Promise<string>;
        };
        url?: string | undefined;
        size?: number | undefined;
        id?: string | undefined;
        name?: string | undefined;
        status?: import('@opentiny/tiny-robot').FileStatus | undefined;
        fileType?: import('@opentiny/tiny-robot').FileType | undefined;
        message?: string | undefined;
    })[], Attachment[] | ({
        url: string;
        size: number;
        rawFile?: {
            readonly lastModified: number;
            readonly name: string;
            readonly webkitRelativePath: string;
            readonly size: number;
            readonly type: string;
            arrayBuffer: () => Promise<ArrayBuffer>;
            bytes: () => Promise<Uint8Array<ArrayBuffer>>;
            slice: (start?: number, end?: number, contentType?: string) => Blob;
            stream: () => ReadableStream<Uint8Array<ArrayBuffer>>;
            text: () => Promise<string>;
        } | undefined;
        id?: string | undefined;
        name?: string | undefined;
        status?: import('@opentiny/tiny-robot').FileStatus | undefined;
        fileType?: import('@opentiny/tiny-robot').FileType | undefined;
        message?: string | undefined;
    } | {
        rawFile: {
            readonly lastModified: number;
            readonly name: string;
            readonly webkitRelativePath: string;
            readonly size: number;
            readonly type: string;
            arrayBuffer: () => Promise<ArrayBuffer>;
            bytes: () => Promise<Uint8Array<ArrayBuffer>>;
            slice: (start?: number, end?: number, contentType?: string) => Blob;
            stream: () => ReadableStream<Uint8Array<ArrayBuffer>>;
            text: () => Promise<string>;
        };
        url?: string | undefined;
        size?: number | undefined;
        id?: string | undefined;
        name?: string | undefined;
        status?: import('@opentiny/tiny-robot').FileStatus | undefined;
        fileType?: import('@opentiny/tiny-robot').FileType | undefined;
        message?: string | undefined;
    })[]>;
    onFilesSelected: (files: File[]) => void;
    checkCanSendAttachments: () => boolean;
    processAttachments: () => Promise<any[]>;
    cleanupAttachments: () => void;
    clearAttachments: () => void;
};