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## org.springframework.web.bind.annotation
Interface ValueConstants

    public interface ValueConstants

Common value constants shared between bind annotations.

Since:
  3.0.1
Author:
  Juergen Hoeller

Field Summary
`static java.lang.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 java.lang.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

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