interface UploadBlobToPrivateSupabaseArgs {
    blob: Blob;
    cacheControl?: string;
    contentType: string;
    fileRef: string;
    supabase: any;
    upsert: boolean;
}
/**
 * Uploads a Blob to the private Supabase storage bucket.
 * @param params.blob - The Blob to upload.
 * @param params.cacheControl - Cache control header value.
 * @param params.contentType - MIME type of the blob.
 * @param params.fileRef - File reference/path in storage.
 * @param params.supabase - Supabase client instance.
 * @param params.upsert - Whether to overwrite existing file.
 * @returns Object containing `data` and `error` from Supabase.
 */
declare const uploadBlobToPrivateSupabase: ({ blob, cacheControl, contentType, fileRef, supabase, upsert, }: UploadBlobToPrivateSupabaseArgs) => Promise<{
    data: any;
    error: any;
}>;

export { type UploadBlobToPrivateSupabaseArgs, uploadBlobToPrivateSupabase };