'Sets a bucket\'s storage class.
:param str storage_class: A string containing the storage class.
:param dict headers: Additional headers to send with the request.'

def set_storage_class(self, storage_class, headers=None):

    req_body = (self.StorageClassBody % get_utf8_value(storage_class))
    self.set_subresource(STORAGE_CLASS_ARG, req_body, headers=headers)
