code: func (sdk *FabricSDK) CloseContext(ctxt fab.ClientContext) {
  	logger.Debug("Closing clients for the given context...")
  	if pvdr, ok := sdk.provider.LocalDiscoveryProvider().(contextCloseable); ok {
  		logger.Debugf("Closing local discovery provider...")
  		pvdr.CloseContext(ctxt)
  	}
  	if pvdr, ok := sdk.provider.ChannelProvider().(contextCloseable); ok {
  		logger.Debugf("Closing context in channel client...")
  		pvdr.CloseContext(ctxt)
  	}
  }
docs: // CloseContext frees up caches being maintained by the SDK for the given context