bundles/org.eclipse.packagedrone.repo.channel.impl/src/org/eclipse/packagedrone/repo/channel/impl/ChannelServiceImpl.java
@Override
    public List<DeployGroup> listGroups ( final int position, final int count )
    {
        return this.manager.accessCall ( KEY_STORAGE, ChannelServiceAccess.class, model -> {
            return split ( model.getDeployGroups (), position, count );
        } );
    }
@Override
    public List<DeployGroup> listGroups ( final int position, final int count )
    {
        return this.manager.accessCall ( KEY_STORAGE, ChannelServiceAccess.class, model -> {
            return split ( model.getDeployGroups (), position, count );
        } );
    }
methods of DeployAuthService