The following table lists the methods of the SP.FileVersionCollection class.
Deletes all the file version objects in the collection.
Deletes the specified version of the file.
Deletes the file version object with the specified version label.
This member is reserved for internal use and is not intended to be used directly from your code.
Gets the file version at the specified index in the collection.
Creates a new file version from the file specified by the version label.