addItems abstract method
Return the id(s) of the item(s) added using the data
as input.
Don't use this method to upload a document
To correctly format the data, see the examples and the documentation.
Reference: https://github.com/glpi-project/glpi/blob/master/apirest.md#add-items
Implementation
Future<List<Map<String, String>>> addItems(
GlpiItemType itemType, String data);