1 messages.csv:

     2  - list of message types and their parameters

     3 

     4 protocol.csv:

     5  - list of allowed responses / interactions

     6  - label + = message can repeat but will be sent at least once

     7  - label * = message can repeat but can be also completely skipped

     8  - error message can be sent as a response to any message and terminates the streamlet process

     9  - warning message can be sent as a response to any message, but does not affect the workflow (just causes e.g. printing a warning to STDERR)