How to do binary file upload instead of Multipart File upload

I want to upload files to Backblaze storage in this way

That is , they need to append the File as binary body instead of Form Data

The documentation link https://www.backblaze.com/b2/docs/b2_upload_file.html

In your library , there is no mention about binary body . Only .addFileUpload which id s Form Data type or Multipart

So I am struck

Please help to upload file as in the backblaze docs

[gotev]

There’s the BinaryUploadRequest which does exactly what you need. Check it also on the demo app.

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