# hosts/mgmt_msg.h

## class MgmtMsg — public interface

### `virtual ~MgmtMsg() = default;`

## class HeartbeatMsg — public interface

### `: subscriber_id(sid), status(st), generated_at(t) { ... }`
### `MgmtKind kind() const noexcept override { ... }`

## class JobFinishedMsg — public interface

### `: flow_id(fid), finished_at(t) { ... }`
### `MgmtKind kind() const noexcept override { ... }`

## class EndSimulationMsg — public interface

### `MgmtKind kind() const noexcept override { ... }`