```

...e com essa única declaração você tem:

* Suporte ao Editor, incluindo:
    * Completação.
    * Verificação de tipos.
* Validação de dados:
    * Erros automáticos e claros quando o dado é inválido.
    * Validação até para objetos JSON profundamente aninhados.
* <abbr title="também conhecido como: serialization, parsing, marshalling">Conversão</abbr> de dados de entrada: vindo da rede para dados e tipos Python. Consegue ler:

        // Test with null (should not crash but may return different result)
        try {
            String nullResult = crawlingInfoHelper.generateId((String) null);
            // If it doesn't crash, it should still return a valid hash
            assertNotNull(nullResult);
            assertEquals(128, nullResult.length());
        } catch (NullPointerException e) {
            // This is also acceptable behavior
        }
    }

      }
    }

    /**
     * @see Service#failureCause()
     */
    Throwable failureCause() {
      checkState(
          state == FAILED,
          "failureCause() is only valid if the service has failed, service is %s",
          state);
      // requireNonNull is safe because the constructor requires a non-null cause with state=FAILED.
      return requireNonNull(failure);
    }
  }

    }

    @Override
    public String toString() {
      return "BY_TO_STRING";
    }

    private Object readResolve() {
      return INSTANCE;
    }
  }

  // Always equal is a valid total ordering. And it works for any Object.
  private static final class AlwaysEqual extends Ordering<@Nullable Object>
      implements Serializable {
    private static final AlwaysEqual INSTANCE = new AlwaysEqual();

```JSON
{
    "detail": [
        {
            "loc": [
                "path",
                "item_id"
            ],
            "msg": "value is not a valid integer",
            "type": "type_error.integer"
        }
    ]
}
```

これは、パスパラメータ `item_id` が `int` ではない値 `"foo"` だからです。

    }

    /**
     * Test transform with various ResponseData states
     */
    public void test_transform_variousResponseDataStates() {
        // Empty ResponseData - should return a valid ResultData with empty/null data
        ResponseData emptyData = new ResponseData();
        ResultData result1 = testTransformer.transform(emptyData);
        assertNotNull(result1);

    }

    @Override
    public String toString() {
      return "BY_TO_STRING";
    }

    private Object readResolve() {
      return INSTANCE;
    }
  }

  // Always equal is a valid total ordering. And it works for any Object.
  private static final class AlwaysEqual extends Ordering<@Nullable Object>
      implements Serializable {
    private static final AlwaysEqual INSTANCE = new AlwaysEqual();

	// Fast path 1: ASCII.
	if data[0] < utf8.RuneSelf {
		return 1, data[0:1], nil
	}

	// Fast path 2: Correct UTF-8 decode without error.
	_, width := utf8.DecodeRune(data)
	if width > 1 {
		// It's a valid encoding. Width cannot be one for a correctly encoded
		// non-ASCII rune.
		return width, data[0:width], nil
	}

	// We know it's an error: we have width==1 and implicitly r==utf8.RuneError.

		return err
	}
	return nil
}

func findGoroot() (string, error) {
	gorootOnce.Do(func() {
		// If runtime.GOROOT reports a non-empty path, assume that it is valid.
		// (It may be empty if this binary was built with -trimpath.)
		gorootPath = runtime.GOROOT()
		if gorootPath != "" {
			return
		}

		// runtime.GOROOT is empty — perhaps go_android_exec was built with

        // Unmatched quote at end
        value = "unmatched\"";
        result = KuromojiCSVUtil.parse(value);
        assertEquals(0, result.length);

        // Unmatched quotes in middle
        value = "valid,\"unmatched,another";
        result = KuromojiCSVUtil.parse(value);
        assertEquals(0, result.length);

        // Multiple unmatched quotes
        value = "\"first\"second\"third";