!11522 Forward declare for nlohmann::json

From: @luoyang42
Reviewed-by: @robingrosman,@nsyca
Signed-off-by: @robingrosman

mindspore/ccsrc/minddata/dataset/include/transforms.h

@@ -17,14 +17,31 @@
 #ifndef MINDSPORE_CCSRC_MINDDATA_DATASET_INCLUDE_TRANSFORMS_H_
 #define MINDSPORE_CCSRC_MINDDATA_DATASET_INCLUDE_TRANSFORMS_H_
 
+#include <map>
 #include <memory>
 #include <string>
 #include <vector>
-#include <nlohmann/json.hpp>
 
 #include "minddata/dataset/include/constants.h"
 #include "minddata/dataset/include/status.h"
 
+#ifndef INCLUDE_NLOHMANN_JSON_FWD_HPP_
+#define INCLUDE_NLOHMANN_JSON_FWD_HPP_
+namespace nlohmann {
+template <typename T = void, typename SFINAE = void>
+struct adl_serializer;
+template <template <typename U, typename V, typename... Args> class ObjectType = std::map,
+          template <typename U, typename... Args> class ArrayType = std::vector, class StringType = std::string,
+          class BooleanType = bool, class NumberIntegerType = std::int64_t, class NumberUnsignedType = std::uint64_t,
+          class NumberFloatType = double, template <typename U> class AllocatorType = std::allocator,
+          template <typename T, typename SFINAE = void> class JSONSerializer = adl_serializer>
+class basic_json;
+template <typename BasicJsonType>
+class json_pointer;
+using json = basic_json<>;
+}  // namespace nlohmann
+#endif  // INCLUDE_NLOHMANN_JSON_FWD_HPP_
+
 namespace mindspore {
 namespace dataset {