2.1.1 AdaptiveQuestionCollector object extends QuestionCollector

Field	Type	Description
`type` required	String constant	Indicates the question collector type. In this case it is `ADAPTIVE`.
`entryLevel` optional	Integer	An optional adaptive test start level.
`stageCount` required	Integer	The number of stages in this adaptive test.
`questionsPerStageCount` required	Integer	The number of questions in each stage.