Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
cmake(tlx)
pkgconfig(tlx)
tlx-devel
tlx-devel(x86-64)

Requires :

/usr/bin/pkg-config
cmake-filesystem(x86-64)
libtlx.so.0.6()(64bit)
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsZstd) <= 5.4.18-1
tlx(x86-64) = 0.6.1-5.fc42

Content of RPM :
/usr/include/tlx
/usr/include/tlx/algorithm
/usr/include/tlx/algorithm.hpp
/usr/include/tlx/algorithm/exclusive_scan.hpp
/usr/include/tlx/algorithm/is_sorted_cmp.hpp
/usr/include/tlx/algorithm/merge_advance.hpp
/usr/include/tlx/algorithm/merge_combine.hpp
/usr/include/tlx/algorithm/multisequence_partition.hpp
/usr/include/tlx/algorithm/multisequence_selection.hpp
/usr/include/tlx/algorithm/multiway_merge.hpp
/usr/include/tlx/algorithm/multiway_merge_splitting.hpp
/usr/include/tlx/algorithm/parallel_multiway_merge.hpp
/usr/include/tlx/algorithm/random_bipartition_shuffle.hpp
/usr/include/tlx/allocator_base.hpp
/usr/include/tlx/backtrace.hpp
/usr/include/tlx/cmdline_parser.hpp
/usr/include/tlx/container
/usr/include/tlx/container.hpp
/usr/include/tlx/container/btree.hpp
/usr/include/tlx/container/btree_map.hpp
/usr/include/tlx/container/btree_multimap.hpp
/usr/include/tlx/container/btree_multiset.hpp
/usr/include/tlx/container/btree_set.hpp
/usr/include/tlx/container/d_ary_addressable_int_heap.hpp
/usr/include/tlx/container/d_ary_heap.hpp
/usr/include/tlx/container/loser_tree.hpp
/usr/include/tlx/container/lru_cache.hpp
/usr/include/tlx/container/radix_heap.hpp
/usr/include/tlx/container/ring_buffer.hpp
/usr/include/tlx/container/simple_vector.hpp
There is 174 files more in these RPM.