@type t() :: %Envoy.Config.Bootstrap.V2.Runtime{
__unknown_fields__: [
{field_number :: integer(), Protobuf.Wire.Types.wire_type(),
value :: term()}
],
base: Google.Protobuf.Struct.t() | nil,
override_subdirectory: String.t(),
subdirectory: String.t(),
symlink_root: String.t()
}