org.richfaces.validator

## Interface NullValueValidator

- All Superinterfaces:
    EventListener, javax.faces.validator.Validator

      public interface NullValueValidator
      extends javax.faces.validator.Validator

  Marker interface for validators that allows null-values to validate.
  Author:
    asmirnov

- - ### Field Summary

    - ### Fields inherited from interface javax.faces.validator.Validator

      `NOT_IN_RANGE_MESSAGE_ID`

  - ### Method Summary

    - ### Methods inherited from interface javax.faces.validator.Validator

      `validate`

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