[ Version ( since = "2.34" ) ]
public abstract unowned string get_supported_types ()
Retrieves the list of content types that
app_info claims to support.
If this information is not provided by the environment, this function will return null. This function does not take in consideration associations added with add_supports_type, but only those exported directly by the application.
a AppInfo that can handle files
a list of content types.