### Question:
ApprovalRequestsIndexResponseApprovalRequests { public ApprovalRequestsIndexResponseApprovalRequests id(Integer id) { this.id = id; return this; }  ApprovalRequestsIndexResponseApprovalRequests applicantId(Integer applicantId); @ApiModelProperty(example = "1", required = true, value = "申請者のユーザーID") Integer getApplicantId(); void setApplicantId(Integer applicantId); ApprovalRequestsIndexResponseApprovalRequests applicationDate(String applicationDate); @ApiModelProperty(example = "2018-07-19", required = true, value = "申請日 (yyyy-mm-dd)") String getApplicationDate(); void setApplicationDate(String applicationDate); ApprovalRequestsIndexResponseApprovalRequests applicationNumber(String applicationNumber); @ApiModelProperty(example = "2", required = true, value = "申請No.") String getApplicationNumber(); void setApplicationNumber(String applicationNumber); ApprovalRequestsIndexResponseApprovalRequests companyId(Integer companyId); @ApiModelProperty(example = "1", required = true, value = "事業所ID") Integer getCompanyId(); void setCompanyId(Integer companyId); ApprovalRequestsIndexResponseApprovalRequests currentRound(Integer currentRound); @ApiModelProperty(example = "1", required = true, value = "現在のround。差し戻し等により申請がstepの最初からやり直しになるとroundの値が増えます。") Integer getCurrentRound(); void setCurrentRound(Integer currentRound); ApprovalRequestsIndexResponseApprovalRequests currentStepId(Integer currentStepId); @javax.annotation.Nullable @ApiModelProperty(example = "1", required = true, value = "現在承認ステップID") Integer getCurrentStepId(); void setCurrentStepId(Integer currentStepId); ApprovalRequestsIndexResponseApprovalRequests formId(Integer formId); @ApiModelProperty(example = "1", required = true, value = "申請フォームID") Integer getFormId(); void setFormId(Integer formId); ApprovalRequestsIndexResponseApprovalRequests id(Integer id); @ApiModelProperty(example = "1", required = true, value = "各種申請ID") Integer getId(); void setId(Integer id); ApprovalRequestsIndexResponseApprovalRequests requestItems(List<ApprovalRequestResponseApprovalRequestRequestItems> requestItems); ApprovalRequestsIndexResponseApprovalRequests addRequestItemsItem(ApprovalRequestResponseApprovalRequestRequestItems requestItemsItem); @ApiModelProperty(required = true, value = "各種申請の項目一覧（配列）") List<ApprovalRequestResponseApprovalRequestRequestItems> getRequestItems(); void setRequestItems(List<ApprovalRequestResponseApprovalRequestRequestItems> requestItems); ApprovalRequestsIndexResponseApprovalRequests status(StatusEnum status); @ApiModelProperty(example = "draft", required = true, value = "申請ステータス(draft:下書き, in_progress:申請中, approved:承認済, rejected:却下, feedback:差戻し)") StatusEnum getStatus(); void setStatus(StatusEnum status); ApprovalRequestsIndexResponseApprovalRequests title(String title); @ApiModelProperty(example = "大阪出張", required = true, value = "申請タイトル") String getTitle(); void setTitle(String title); @Override boolean equals(java.lang.Object o); @Override int hashCode(); @Override String toString(); static final String SERIALIZED_NAME_APPLICANT_ID; static final String SERIALIZED_NAME_APPLICATION_DATE; static final String SERIALIZED_NAME_APPLICATION_NUMBER; static final String SERIALIZED_NAME_COMPANY_ID; static final String SERIALIZED_NAME_CURRENT_ROUND; static final String SERIALIZED_NAME_CURRENT_STEP_ID; static final String SERIALIZED_NAME_FORM_ID; static final String SERIALIZED_NAME_ID; static final String SERIALIZED_NAME_REQUEST_ITEMS; static final String SERIALIZED_NAME_STATUS; static final String SERIALIZED_NAME_TITLE; }### Answer:
@Test public void idTest() { }