import { FileVisibility } from '../entities/file.entity';
export declare class GetUploadUrlDto {
    filename: string;
    mimeType: string;
    sizeBytes: number;
    folder?: string;
    visibility?: FileVisibility;
}
export declare class ConfirmUploadDto {
    uploadId: string;
    metadata?: Record<string, any>;
}
export declare class ListFilesDto {
    page?: number;
    limit?: number;
    folder?: string;
    mimeType?: string;
    search?: string;
}
export declare class UpdateFileDto {
    folder?: string;
    visibility?: FileVisibility;
    metadata?: Record<string, any>;
}
export declare class PresignedUrlResponseDto {
    uploadId: string;
    url: string;
    fields?: Record<string, string>;
    expiresAt: Date;
    maxSize: number;
}
export declare class FileResponseDto {
    id: string;
    filename: string;
    originalName: string;
    mimeType: string;
    sizeBytes: number;
    folder: string;
    visibility: string;
    thumbnails: Record<string, string>;
    metadata: Record<string, any>;
    createdAt: Date;
    updatedAt: Date;
}
export declare class FileListResponseDto {
    data: FileResponseDto[];
    total: number;
    page: number;
    limit: number;
    totalPages: number;
}
export declare class DownloadUrlResponseDto {
    url: string;
    expiresAt: Date;
}
export declare class StorageUsageResponseDto {
    totalFiles: number;
    totalBytes: number;
    maxBytes: number | null;
    maxFileSize: number | null;
    usagePercent: number;
    filesByFolder: Record<string, number>;
}
export declare class StorageStatsResponseDto {
    usage: StorageUsageResponseDto;
    recentFiles: FileResponseDto[];
    filesByType: Record<string, number>;
}