def listActionProviders():
    """ Return a sequence of names of all IActionProvider utilities
            registered with this tool.

        o The returned list of names will be a subset of the set available
          via 'getUtilitiesFor(IActionProvider)' (which returns
          '(name, value)' tuples).

        o Deprecated: In the future, expect to use 'getUtilitiesFor' instead
          (presuming either that ordering either doesn't matter or that
          ordering is supported by the utility registry).

        o Permission:  Manage portal
        """
