NewOperator creates a new operator, this operator holds a collection of running processes, back it up Based on backed up collection it prepares clients, watchers..

ErrClientNotConfigurable happens when stored client does not implement Config func.

ErrClientNotFound is an error when client is not found.

ApplicationStatusHandler expects that only Application is registered in the server and updates the current state of the application from the OnStatusChange callback from inside the server.

Operator runs Start/Stop/Update operations it is responsible for detecting reconnect to existing processes based on backed up configuration Enables running sidecars for processes.

Application is an application capable of being started, stopped and configured.

Descriptor defines a program which needs to be run.