### Question:
ReceiptCreateParams { public ReceiptCreateParams companyId(Integer companyId) { this.companyId = companyId; return this; }  ReceiptCreateParams companyId(Integer companyId); @ApiModelProperty(required = true, value = "事業所ID") Integer getCompanyId(); void setCompanyId(Integer companyId); ReceiptCreateParams description(String description); @javax.annotation.Nullable @ApiModelProperty(value = "メモ (255文字以内)") String getDescription(); void setDescription(String description); ReceiptCreateParams issueDate(String issueDate); @javax.annotation.Nullable @ApiModelProperty(value = "取引日 (yyyy-mm-dd)") String getIssueDate(); void setIssueDate(String issueDate); ReceiptCreateParams receipt(File receipt); @ApiModelProperty(required = true, value = "証憑ファイル") File getReceipt(); void setReceipt(File receipt); @Override boolean equals(java.lang.Object o); @Override int hashCode(); @Override String toString(); static final String SERIALIZED_NAME_COMPANY_ID; static final String SERIALIZED_NAME_DESCRIPTION; static final String SERIALIZED_NAME_ISSUE_DATE; static final String SERIALIZED_NAME_RECEIPT; }### Answer:
@Test public void companyIdTest() { }