@type t() :: %Envoy.Service.ExtProc.V3.ProcessingRequest{
__unknown_fields__: [
{field_number :: integer(), Protobuf.Wire.Types.wire_type(),
value :: term()}
],
attributes: %{optional(String.t()) => Google.Protobuf.Struct.t() | nil},
metadata_context: Envoy.Config.Core.V3.Metadata.t() | nil,
observability_mode: boolean(),
request:
{:request_headers, Envoy.Service.ExtProc.V3.HttpHeaders.t() | nil}
| {:response_headers, Envoy.Service.ExtProc.V3.HttpHeaders.t() | nil}
| {:request_body, Envoy.Service.ExtProc.V3.HttpBody.t() | nil}
| {:response_body, Envoy.Service.ExtProc.V3.HttpBody.t() | nil}
| {:request_trailers, Envoy.Service.ExtProc.V3.HttpTrailers.t() | nil}
| {:response_trailers, Envoy.Service.ExtProc.V3.HttpTrailers.t() | nil}
| nil
}