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An empty interface to provide backwards compatibility for existing code that bsmedberg didn't want to break all at once. Don't use me! @status NON-FROZEN interface WHICH WILL PROBABLY GO AWAY.
[scriptable, uuid(d1d412d9-15d6-4a6a-9533-b949dc175ff5)]
interface nsIPrefBranchInternal : nsIPrefBranch2