The options are in the AvailableFileType enum:

public enum AvailableFileType
{
Protocol = 0,
Template = 1,
Script = 2,
Key = 3,
Information = 4,
AllProtocolInfo = 5,
Trending = 6,
Vdx = 7,
General = 8,
Description = 9,
Combination = 10
}