### Question:
QuadrilateralInterface { public QuadrilateralInterface quadrilateralType(String quadrilateralType) { this.quadrilateralType = quadrilateralType; return this; }  QuadrilateralInterface quadrilateralType(String quadrilateralType); @ApiModelProperty(required = true, value = "") @JsonProperty(JSON_PROPERTY_QUADRILATERAL_TYPE) @JsonInclude(value = JsonInclude.Include.ALWAYS) String getQuadrilateralType(); void setQuadrilateralType(String quadrilateralType); @Override boolean equals(Object o); @Override int hashCode(); @Override String toString(); static final String JSON_PROPERTY_QUADRILATERAL_TYPE; }### Answer:
@Test public void quadrilateralTypeTest() { }