ValueConstants (Spring Framework 5.2.12.RELEASE API)

```
public interface ValueConstants
```
Common value constants shared between bind annotations.
Since:
3.0.1
Author:
Juergen Hoeller

- Field Summary
  Fields
  Modifier and Type Field Description
  static String DEFAULT_NONE
  Constant defining a value for no default - as a replacement for null which we cannot use in annotation attributes.

- Field Detail
  - DEFAULT_NONE
```
static final String DEFAULT_NONE
```
    Constant defining a value for no default - as a replacement for null which we cannot use in annotation attributes.
    This is an artificial arrangement of 16 unicode characters, with its sole purpose being to never match user-declared values.
    See Also:
    RequestParam.defaultValue(), RequestHeader.defaultValue(), CookieValue.defaultValue(), Constant Field Values