supported mime types in Java class "Scenario"

Hi there, for one of my scenarios, I want to attach a simple csv file. I discovered that the Java class Scenario has a method attach with three parameters. The 2nd parameter is a String for the mime type. However, when I used "text/csv" for it, no report was attached to the HTML report at all. 

I tried to discover in the documentation which mime types are supported by this method. But in vain. Can anybody list these mime types, please? Many thanks in advance!