rest-assured/src/main/java/io/restassured/builder/RequestSpecBuilder.java
public RequestSpecBuilder addCookie(String key, Object value, Object... cookieNameValuePairs) {
        spec.cookie(key, value, cookieNameValuePairs);
        return this;
    }
public RequestSpecBuilder addCookie(String key, Object value, Object... cookieNameValuePairs) {
        spec.cookie(key, value, cookieNameValuePairs);
        return this;
    }
Add a cookie to be sent with the request.

@param key                  The cookie key
@param value                The cookie value
@param cookieNameValuePairs Additional cookies values. This will actually create two cookies with the same name but with different values.
@return The request specification builder