'Check if an operation can be paginated.
:type operation_name: string
:param operation_name: The operation name.  This is the same name
as the method name on the client.  For example, if the
method name is ``create_foo``, and you\'d normally invoke the
operation as ``client.create_foo(**kwargs)``, if the
``create_foo`` operation can be paginated, you can use the
call ``client.get_paginator("create_foo")``.
:return: ``True`` if the operation can be paginated,
``False`` otherwise.'

def can_paginate(self, operation_name):

    if ('page_config' not in self._cache):
        try:
            page_config = self._loader.load_service_model(self._service_model.service_name, 'paginators-1', self._service_model.api_version)['pagination']
            self._cache['page_config'] = page_config
        except DataNotFoundError:
            self._cache['page_config'] = {}
    actual_operation_name = self._PY_TO_OP_NAME[operation_name]
    return (actual_operation_name in self._cache['page_config'])
