# File lib/fog/aws/models/elasticache/security_group.rb, line 39 def revoke_ec2_group(group_name, group_owner_id=owner_id) requires :id requires :owner_id if group_owner_id.nil? data = connection.revoke_cache_security_group_ingress( id, group_name, group_owner_id ) merge_attributes(data.body['CacheSecurityGroup']) end