@type t() :: %Envoy.Admin.V2alpha.ListenersConfigDump.DynamicListenerState{
__unknown_fields__: [
{field_number :: integer(), Protobuf.Wire.Types.wire_type(),
value :: term()}
],
last_updated: Google.Protobuf.Timestamp.t() | nil,
listener: Google.Protobuf.Any.t() | nil,
version_info: String.t()
}