'Return the client properties dictionary.
:rtype: dict'

@property
def _client_properties(self):

    properties = {'product': PRODUCT, 'platform': ('Python    %s' % platform.python_version()), 'capabilities': {'authentication_failure_close': True, 'basic.nack': True, 'connection.blocked': True, 'consumer_cancel_notify': True, 'publisher_confirms': True}, 'information': 'See    http://pika.rtfd.org', 'version': __version__}
    if self.params.client_properties:
        properties.update(self.params.client_properties)
    return properties
