DefaultRK default routing keys until we implement the routing key / config matrix.

ConfigModifiers is a collections of filters and decorators applied while processing configuration.

ConfigHandler is capable of handling configrequest.

Dispatcher processes actions coming from fleet api.

Router is an interace routes programs to correspongind stream.

Stream is capable of executing configrequest change.

DecoratorFunc is a func for decorating a retrieved configuration before processing.

EmitterFunc emits configuration for processing.

FilterFunc is a func for filtering a retrieved configuration before processing.

RoutingKey is used for routing as pipeline id.

StreamFunc creates a stream out of routing key.