I am trying to use the soffice --convert-to command with the --infilter flag but I don't know the options, can someone please tell me what the options are?

I am trying to use the soffice --convert-to command with the --infilter flag but I don’t know the options, can someone please tell me what the options are?

I was able to find out the option I was looking for on Stack Overflow. It is --infilter=“writer_pdf_import”