type t = {mutable dtype : Graph_piqi.data_type option;mutable tensor_shape : Graph_piqi.tensor_shape_proto option;mutable version_number : Graph_piqi.protobuf_int32 option;mutable tensor_content : Graph_piqi.binary option;mutable half_val : Graph_piqi.protobuf_int32 list;mutable float_val : Graph_piqi.float32 list;mutable double_val : Graph_piqi.float64 list;mutable int_val : Graph_piqi.protobuf_int32 list;mutable string_val : Graph_piqi.binary list;mutable scomplex_val : Graph_piqi.float32 list;mutable int64_val : Graph_piqi.protobuf_int64 list;mutable bool_val : bool list;mutable dcomplex_val : Graph_piqi.float64 list;}