Parse takes a watch query and compiles it into a WatchPlan or an error.

ParseExempt takes a watch query and compiles it into a WatchPlan or an error Any exempt parameters are stored in the Exempt map.

Plan is the parsed version of a watch specification.

BlockingParamVal is an interface representing the common operations needed for different styles of blocking.

HandlerFunc is used to handle new data.

HybridHandlerFunc is used to handle new data.

WaitHashVal is a type representing a Consul content hash that implements BlockingParamVal.

WaitIndexVal is a type representing a Consul index that implements BlockingParamVal.

WatcherFunc is used to watch for a diff.