rapidjson?

On Fedora 33 configure cannot find working PrettyWriter in RapidJSON
(1.1.0):

configure:64508: checking for working PrettyWriter in RapidJSON
configure:64539: g++ -c -O3 -march=native -flto=4 -fno-fat-lto-objects
-pthread -fopenmp  conftest.cpp >&5
In file included from conftest.cpp:494:
/usr/include/rapidjson/prettywriter.h: In constructor
'rapidjson::PrettyWriter<OutputStream, SourceEncoding, TargetEncoding,
StackAllocator, writeFlags>::PrettyWriter(OutputStream&, StackAllocator*,
std::size_t) [with OutputStream =
rapidjson::GenericStringBuffer<rapidjson::UTF8<> >; SourceEncoding =
rapidjson::UTF8<>; TargetEncoding = rapidjson::UTF8<>; StackAllocator =
rapidjson::CrtAllocator; unsigned int writeFlags = 2; std::size_t = long
unsigned int]':
/usr/include/rapidjson/prettywriter.h:53:102: error: 'const size_t
rapidjson::Writer<rapidjson::GenericStringBuffer<rapidjson::UTF8<> >
>::kDefaultLevelDepth' is protected within this context
   53 |     explicit PrettyWriter(OutputStream& os, StackAllocator*
allocator = 0, size_t levelDepth = Base::kDefaultLevelDepth) :
      |
                                 ^~~~~~~~~~~~~~~~~~
In file included from /usr/include/rapidjson/prettywriter.h:18,
                 from conftest.cpp:494:
/usr/include/rapidjson/writer.h:262:25: note: declared protected here
  262 |     static const size_t kDefaultLevelDepth = 32;
      |                         ^~~~~~~~~~~~~~~~~~
conftest.cpp:511:75: note:   when instantiating default argument for call
to 'rapidjson::PrettyWriter<OutputStream, SourceEncoding, TargetEncoding,
StackAllocator, writeFlags>::PrettyWriter(OutputStream&, StackAllocator*,
std::size_t) [with OutputStream =
rapidjson::GenericStringBuffer<rapidjson::UTF8<> >; SourceEncoding =
rapidjson::UTF8<>; TargetEncoding = rapidjson::UTF8<>; StackAllocator =
rapidjson::CrtAllocator; unsigned int writeFlags = 2; std::size_t = long
unsigned int]'
  511 |                               rapidjson::kWriteNanAndInfFlag>
writer (json);
      |
      ^
In file included from conftest.cpp:494:
/usr/include/rapidjson/prettywriter.h: In instantiation of
'rapidjson::PrettyWriter<OutputStream, SourceEncoding, TargetEncoding,
StackAllocator, writeFlags>::PrettyWriter(OutputStream&, StackAllocator*,
std::size_t) [with OutputStream =
rapidjson::GenericStringBuffer<rapidjson::UTF8<> >; SourceEncoding =
rapidjson::UTF8<>; TargetEncoding = rapidjson::UTF8<>; StackAllocator =
rapidjson::CrtAllocator; unsigned int writeFlags = 2; std::size_t = long
unsigned int]':
conftest.cpp:511:75:   required from here
/usr/include/rapidjson/prettywriter.h:54:110: error: type
'rapidjson::Writer<rapidjson::GenericStringBuffer<rapidjson::UTF8<> > >' is
not a direct base of
'rapidjson::PrettyWriter<rapidjson::GenericStringBuffer<rapidjson::UTF8<>
>, rapidjson::UTF8<>, rapidjson::UTF8<>, rapidjson::CrtAllocator, 2>'
   54 |         Base(os, allocator, levelDepth), indentChar_(' '),
indentCharCount_(4), formatOptions_(kFormatDefault) {}
      |
                                         ^
configure:64539: $? = 1
configure: failed program was:

Bug, or I am doing something wrong?

Dmitri.
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