@InterfaceAudience.Private
  protected ServerManager createServerManager(MasterServices master, RegionServerList storage)
    throws IOException {
    // We put this out here in a method so can do a Mockito.spy and stub it out
    // w/ a mocked up ServerManager.
    setupClusterConnection();
    return new ServerManager(master, storage);
  }
<p>
Create a {@link ServerManager} instance.
</p>
<p>
Will be overridden in tests.
</p>
hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java