No this isn't possible, we don't expose form information in our API.
I make my own SQLLite connection to my model deployment file. It works. I can now export to CSV from microflow :). Will be available in app store soon.
Go to the javadoc and look around. I think you can use the IDataColumnSchema class. The getname function gives the name of the column. And maybe IDataTableSchema, this gives you the structure of the table.