import fastify from 'fastify';
import { MediaType } from './mediaType';
import { ServerContext } from './context';
import { FileID } from './fileID';
import { ImageMetadata } from './imageBackend';
export interface TemporaryFile {
    id: string;
    filename: string;
    path: string;
}
export declare function createTempFile(filename: string, context: ServerContext): TemporaryFile;
export interface CommonUploadResponse extends CommonFileMetadata {
    id: string;
}
export interface ImageUploadResponse extends CommonUploadResponse, ImageFileMetadata {
}
export interface VideoUploadResponse extends CommonUploadResponse, VideoFileMetadata {
}
export interface AudioUploadResponse extends CommonUploadResponse, AudioFileMetadata {
}
export interface DocumentUploadResponse extends CommonUploadResponse, DocumentFileMetadata {
}
export interface OtherUploadResponse extends CommonUploadResponse, OtherFileMetadata {
}
export declare type UploadResponse = ImageUploadResponse | VideoUploadResponse | AudioUploadResponse | DocumentUploadResponse | OtherUploadResponse;
export interface CommonFileMetadata {
    filename: string;
    fileSize: number;
    extension: string;
    mimeType: string;
}
export interface ImageFileMetadata extends CommonFileMetadata, ImageMetadata {
    type: MediaType.Image;
}
export interface VideoFileMetadata extends CommonFileMetadata {
    type: MediaType.Video;
}
export interface AudioFileMetadata extends CommonFileMetadata {
    type: MediaType.Audio;
}
export interface DocumentFileMetadata extends CommonFileMetadata {
    type: MediaType.Document;
}
export interface OtherFileMetadata extends CommonFileMetadata {
    type: MediaType.Other;
}
export declare type FileMetadata = ImageFileMetadata | VideoFileMetadata | AudioFileMetadata | DocumentFileMetadata | OtherFileMetadata;
export declare function uploadMediaMiddleware(context: ServerContext): fastify.RequestHandler;
export declare function uploadMedia(uploadFile: TemporaryFile, replaceID: FileID | null, context: ServerContext): Promise<UploadResponse>;
export declare function getTemporaryFileMetadata(file: TemporaryFile, context: ServerContext): Promise<FileMetadata>;
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