CurlRequest result = request.sslSocketFactory(factory);

        assertSame(request, result); // Fluent API
    }

    @Test
    public void testBodyStringMethod() {
        CurlRequest request = new CurlRequest(Method.POST, "https://example.com");
        String body = "{\"key\":\"value\"}";

        CurlRequest result = request.body(body);