parameters: (self, resolved_item)
docstring: :param resolved: resolved installation item. NOTE: this is a single item,
            not a list of items like the other APIs, ``opaque``.
          :returns: ``True`` if all of the *resolved* items are installed on
            the local system
docstring_summary: :param resolved: resolved installation item. NOTE: this is a single item,
            not a list of items like the other APIs, ``opaque``.
          :returns: ``True`` if all of the *resolved* items are installed on
            the local system
docstring_tokens: : param resolved : resolved installation item . NOTE : this is a single item not a list of items like the other APIs opaque . : returns : True if all of the * resolved * items are installed on the local system
function: def is_installed(self, resolved_item):
          """
          :param resolved: resolved installation item. NOTE: this is a single item,
            not a list of items like the other APIs, ``opaque``.
          :returns: ``True`` if all of the *resolved* items are installed on
            the local system
          """
          raise NotImplementedError("is_installed", resolved_item)
function_tokens: def is_installed ( self , resolved_item ) : raise NotImplementedError ( "is_installed" , resolved_item )