CancelSurveyReason: "CANCEL_SURVEY_REASON_UNSPECIFIED" | "CANCEL_SURVEY_REASON_NOT_ENOUGH_USAGE" | "CANCEL_SURVEY_REASON_TECHNICAL_ISSUES" | "CANCEL_SURVEY_REASON_COST_RELATED" | "CANCEL_SURVEY_REASON_FOUND_BETTER_APP" | "CANCEL_SURVEY_REASON_OTHERS"

The reason the user selected in the cancel survey.