Trace_fuchsia.Collector_fuchsiaval create :
?buf_pool:Buf_pool.t ->
pid:int ->
exporter:Exporter.t ->
unit ->
tCreate a subscriber state.
val flush : t -> unitval close : t -> unitval active : t -> boolval callbacks : t Trace_core.Collector.Callbacks.tval collector : t -> Trace_core.Collector.tSubscriber that writes json into this writer