@type t() :: %Envoy.Config.Route.V3.RateLimit.Action.MaskedRemoteAddress{
__unknown_fields__: [
{field_number :: integer(), Protobuf.Wire.Types.wire_type(),
value :: term()}
],
v4_prefix_mask_len: Google.Protobuf.UInt32Value.t() | nil,
v6_prefix_mask_len: Google.Protobuf.UInt32Value.t() | nil
}