global class Chatter { global Object clone() { } global static void deleteSubscription(String communityId, String subscriptionId) { } global static ConnectApi.FollowerPage getFollowers(String communityId, String recordId, Integer pageParam, Integer pageSize) { } global static ConnectApi.FollowerPage getFollowers(String communityId, String recordId) { } global static ConnectApi.Subscription getSubscription(String communityId, String subscriptionId) { } global static ConnectApi.DigestJobRepresentation submitDigestJob(ConnectApi.DigestPeriod period) { } }