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

Provides :
ostree-devel
ostree-devel(x86-64)
pkgconfig(ostree-1)

Requires :

/usr/bin/pkg-config
libostree-1.so.1()(64bit)
ostree-libs(x86-64) = 2024.9-1.fc42
pkgconfig(gio-unix-2.0)
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsZstd) <= 5.4.18-1

Content of RPM :
/usr/include/ostree-1
/usr/include/ostree-1/ostree-async-progress.h
/usr/include/ostree-1/ostree-autocleanups.h
/usr/include/ostree-1/ostree-bootconfig-parser.h
/usr/include/ostree-1/ostree-content-writer.h
/usr/include/ostree-1/ostree-core.h
/usr/include/ostree-1/ostree-deployment.h
/usr/include/ostree-1/ostree-diff.h
/usr/include/ostree-1/ostree-dummy-enumtypes.h
/usr/include/ostree-1/ostree-gpg-verify-result.h
/usr/include/ostree-1/ostree-kernel-args.h
/usr/include/ostree-1/ostree-mutable-tree.h
/usr/include/ostree-1/ostree-ref.h
/usr/include/ostree-1/ostree-remote.h
/usr/include/ostree-1/ostree-repo-deprecated.h
/usr/include/ostree-1/ostree-repo-file.h
/usr/include/ostree-1/ostree-repo-finder-avahi.h
/usr/include/ostree-1/ostree-repo-finder-config.h
/usr/include/ostree-1/ostree-repo-finder-mount.h
/usr/include/ostree-1/ostree-repo-finder-override.h
/usr/include/ostree-1/ostree-repo-finder.h
/usr/include/ostree-1/ostree-repo-os.h
/usr/include/ostree-1/ostree-repo.h
/usr/include/ostree-1/ostree-sepolicy.h
/usr/include/ostree-1/ostree-sign-ed25519.h
/usr/include/ostree-1/ostree-sign.h
/usr/include/ostree-1/ostree-sysroot-upgrader.h
/usr/include/ostree-1/ostree-sysroot.h
/usr/include/ostree-1/ostree-types.h
/usr/include/ostree-1/ostree-version.h
There is 38 files more in these RPM.