@type t() :: %Milvex.Milvus.Proto.Schema.TemplateValue{
  __unknown_fields__: [Protobuf.unknown_field()],
  val:
    {:bool_val, boolean()}
    | {:int64_val, integer()}
    | {:float_val, float() | :infinity | :negative_infinity | :nan}
    | {:string_val, String.t()}
    | {:array_val, Milvex.Milvus.Proto.Schema.TemplateArrayValue.t() | nil}
    | nil
}