export interface FileMetadata {
    id: string;
    fileName: string;
    fileExtension: string;
    size: number;
    storageProvider: string;
    storagePath: string;
    bucket: string | null;
    region: string | null;
    uploadedBy: string;
    createdAt: string | Date;
    updatedAt: string | Date;
}
export interface FileServiceConfig {
    apiUrl?: string;
    maxFileSize?: number;
    acceptedFileTypes?: string[];
}
export interface UploadResponse {
    success: boolean;
    file?: FileMetadata;
    error?: string;
}
export interface ImportOptions {
    selectPages?: number[];
    selectSheets?: string[];
    format?: string;
}
export interface ExportOptions {
    format: 'pdf' | 'excel' | 'csv' | 'json' | 'txt' | 'original';
    selectPages?: number[];
    selectSheets?: string[];
    fileName?: string;
}
export interface FilePreview {
    type: 'pdf' | 'excel' | 'csv' | 'word' | 'image' | 'text' | 'other';
    pages?: number;
    sheets?: string[];
    thumbnail?: string;
    csvData?: string[][];
    metadata?: {
        author?: string;
        title?: string;
        created?: string;
        modified?: string;
        [key: string]: any;
    };
}
export interface ValidationResult {
    valid: boolean;
    errors: string[];
    warnings: string[];
}
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