import { ImportedFile } from '../interfaces/index.js';
/**
 * 文件导入器接口
 */
export interface IFileImporter {
    name: string;
    supportedExtensions: string[];
    supportedMimeTypes: string[];
    canImport(filePath: string, mimeType?: string): boolean;
    import(filePath: string, options?: ImportOptions): Promise<ImportedFile>;
}
/**
 * 导入选项
 */
export interface ImportOptions {
    encoding?: BufferEncoding;
    maxSize?: number;
    preview?: boolean;
    includeMetadata?: boolean;
}
/**
 * 文件导入器注册表
 */
export declare class FileImporterRegistry {
    private importers;
    private defaultImporter;
    constructor();
    /**
     * 注册内置导入器
     */
    private registerBuiltinImporters;
    /**
     * 注册导入器
     */
    register(importer: IFileImporter): void;
    /**
     * 获取适合的导入器
     */
    getImporter(filePath: string): IFileImporter;
    /**
     * 导入文件
     */
    import(filePath: string, options?: ImportOptions): Promise<ImportedFile>;
    /**
     * 批量导入文件
     */
    importFiles(filePaths: string[], options?: ImportOptions): Promise<ImportedFile[]>;
    /**
     * 获取支持的扩展名
     */
    getSupportedExtensions(): string[];
    /**
     * 获取导入器信息
     */
    getImporterInfo(): Array<{
        name: string;
        extensions: string[];
        mimeTypes: string[];
    }>;
}
/**
 * 文本文件导入器
 */
export declare class TextFileImporter implements IFileImporter {
    name: string;
    supportedExtensions: string[];
    supportedMimeTypes: string[];
    canImport(filePath: string, mimeType?: string): boolean;
    import(filePath: string, options?: ImportOptions): Promise<ImportedFile>;
}
/**
 * 图片文件导入器
 */
export declare class ImageFileImporter implements IFileImporter {
    name: string;
    supportedExtensions: string[];
    supportedMimeTypes: string[];
    canImport(filePath: string, mimeType?: string): boolean;
    import(filePath: string, options?: ImportOptions): Promise<ImportedFile>;
}
/**
 * JSON 文件导入器
 */
export declare class JsonFileImporter implements IFileImporter {
    name: string;
    supportedExtensions: string[];
    supportedMimeTypes: string[];
    canImport(filePath: string, mimeType?: string): boolean;
    import(filePath: string, options?: ImportOptions): Promise<ImportedFile>;
}
/**
 * 二进制文件导入器
 */
export declare class BinaryFileImporter implements IFileImporter {
    name: string;
    supportedExtensions: string[];
    supportedMimeTypes: string[];
    canImport(filePath: string, mimeType?: string): boolean;
    import(filePath: string, options?: ImportOptions): Promise<ImportedFile>;
}
//# sourceMappingURL=FileImporter.d.ts.map