export declare const R2_BUCKET = "vitris-assets";
export declare function loadDevVars(root: string): void;
export declare function assetsOrigin(): string;
export declare function publicAssetUrl(r2Key: string): string;
export declare function putLocalR2(root: string, key: string, file: string, contentType: string): void;
export declare function putRemoteR2(key: string, file: string, contentType: string): Promise<void>;
export declare function writeScratchFile(path: string, data: Buffer): void;