import type { FastifyInstance, FastifyRequest } from 'fastify';
import type { Readable } from 'node:stream';
export declare function placeFile(readStream: Readable, filename: string, mimeGuess: string): Promise<{
    filename: string;
    name: string;
    checksum: string;
    mime: string;
    size: number;
    width: number | undefined;
    height: number | undefined;
}>;
export declare function handleURLUpload(url: string, modifiedAt?: string, auth?: string): Promise<{
    filename: string;
    name: string;
    checksum: string;
    mime: string;
    size: number;
    width: number | undefined;
    height: number | undefined;
}>;
export declare function handleUpload(req: FastifyRequest, maxFiles?: number): Promise<{
    files: {
        fieldname: string;
        filename: string;
        name: string;
        checksum: string;
        mime: string;
        size: number;
        width: number | undefined;
        height: number | undefined;
    }[];
    data: any;
    aborted: boolean;
}>;
export declare function createAssetRoutes(app: FastifyInstance): Promise<void>;