@type t() :: %Envoy.Data.Tap.V2alpha.HttpStreamedTraceSegment{
__unknown_fields__: [
{field_number :: integer(), Protobuf.Wire.Types.wire_type(),
value :: term()}
],
message_piece:
{:request_headers, Envoy.Api.V2.Core.HeaderMap.t() | nil}
| {:request_body_chunk, Envoy.Data.Tap.V2alpha.Body.t() | nil}
| {:request_trailers, Envoy.Api.V2.Core.HeaderMap.t() | nil}
| {:response_headers, Envoy.Api.V2.Core.HeaderMap.t() | nil}
| {:response_body_chunk, Envoy.Data.Tap.V2alpha.Body.t() | nil}
| {:response_trailers, Envoy.Api.V2.Core.HeaderMap.t() | nil}
| nil,
trace_id: non_neg_integer()
}