# Functions
AddLabelsMiddleware is an EntryMiddleware that adds some labels.
# Interfaces
EntryHandler is something that can "handle" entries.
EntryMiddleware is something that takes on EntryHandler and produces another.
# Type aliases
EntryHandlerFunc is modelled on http.HandlerFunc.
EntryMiddlewareFunc is modelled on http.HandlerFunc.
EntryParser describes how to parse log lines.