[Rails] Is validates_presence_of() deprecated in Rails 3?

Just wondering if validates_presence_of() has been deprecated in
favour of validates(:name, :presence => true) or we can prefer to use
any?
Asking so, since NetBeans 6.9 shows a deprecation warning, however I
can not find any such deprecation message in documentations/code of
Rails 3.0.0.beta4 and on web.

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