when(mockOutputData.size()).thenReturn(50);
        request.setOutputData(mockOutputData);

        int size = request.size();

        // Base size 120 + 50 = 170, aligned to 8 = 176
        assertEquals(176, size);
        verify(mockOutputData).size();
    }

    @Test
    @DisplayName("Test size calculation with both input and output data")
    void testSizeWithBothData() {
        setupMockConfig();

* Fix typos in docs. PR [#176](https://github.com/tiangolo/fastapi/pull/176) by [@chdsbd](https://github.com/chdsbd).

## 0.19.0

* Rename *path operation decorator* parameter `content_type` to `response_class`. PR [#183](https://github.com/tiangolo/fastapi/pull/183).