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

Provides :
application()
application(org.kde.umbrello.desktop)
kdesdk-umbrello
metainfo()
metainfo(org.kde.umbrello.appdata.xml)
mimehandler(application/x-uml)
mimehandler(text/x-xmi)
umbrello
umbrello(x86-64)

Requires :

libKF5Archive.so.5()(64bit)
libKF5Completion.so.5()(64bit)
libKF5ConfigCore.so.5()(64bit)
libKF5ConfigGui.so.5()(64bit)
libKF5ConfigWidgets.so.5()(64bit)
libKF5CoreAddons.so.5()(64bit)
libKF5Crash.so.5()(64bit)
libKF5I18n.so.5()(64bit)
libKF5IconThemes.so.5()(64bit)
libKF5JobWidgets.so.5()(64bit)
libKF5KIOCore.so.5()(64bit)
libKF5KIOWidgets.so.5()(64bit)
libKF5TextEditor.so.5()(64bit)
libKF5WidgetsAddons.so.5()(64bit)
libKF5XmlGui.so.5()(64bit)
libQt5Core.so.5()(64bit)
libQt5Core.so.5(Qt_5)(64bit)
libQt5Core.so.5(Qt_5.15)(64bit)
libQt5Gui.so.5()(64bit)
libQt5Gui.so.5(Qt_5)(64bit)
libQt5PrintSupport.so.5()(64bit)
libQt5PrintSupport.so.5(Qt_5)(64bit)
libQt5Svg.so.5()(64bit)
libQt5Svg.so.5(Qt_5)(64bit)
libQt5Widgets.so.5()(64bit)
libQt5Widgets.so.5(Qt_5)(64bit)
libQt5Xml.so.5()(64bit)
libQt5Xml.so.5(Qt_5)(64bit)
libc.so.6()(64bit)
libc.so.6(GLIBC_2.14)(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libc.so.6(GLIBC_2.3.4)(64bit)
libc.so.6(GLIBC_2.34)(64bit)
libc.so.6(GLIBC_2.4)(64bit)
libc.so.6(GLIBC_ABI_DT_RELR)(64bit)
libm.so.6()(64bit)
libm.so.6(GLIBC_2.2.5)(64bit)
libstdc++.so.6()(64bit)
libstdc++.so.6(CXXABI_1.3)(64bit)
libstdc++.so.6(CXXABI_1.3.9)(64bit)
libstdc++.so.6(GLIBCXX_3.4)(64bit)
libstdc++.so.6(GLIBCXX_3.4.11)(64bit)
libstdc++.so.6(GLIBCXX_3.4.21)(64bit)
libstdc++.so.6(GLIBCXX_3.4.30)(64bit)
libstdc++.so.6(GLIBCXX_3.4.32)(64bit)
libstdc++.so.6(GLIBCXX_3.4.9)(64bit)
libxml2.so.2()(64bit)
libxml2.so.2(LIBXML2_2.4.30)(64bit)
libxslt.so.1()(64bit)
libxslt.so.1(LIBXML2_1.0.11)(64bit)
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsZstd) <= 5.4.18-1
rtld(GNU_HASH)

Content of RPM :
/usr/bin/po2xmi5
/usr/bin/umbrello5
/usr/bin/xmi2pot5
/usr/lib/.build-id
/usr/lib/.build-id/46
/usr/lib/.build-id/46/cbb731f03028605bb18d84a6cd8f661108c5ee
/usr/lib/.build-id/63
/usr/lib/.build-id/63/c6e73eb119fd32ac1d49801e2646f528cc599f
/usr/lib/.build-id/a7
/usr/lib/.build-id/a7/a77cc15a78b40308e5181a1c067d547c3575a8
/usr/share/applications/org.kde.umbrello.desktop
/usr/share/doc/HTML/ca/umbrello
/usr/share/doc/HTML/ca/umbrello/apphelp
/usr/share/doc/HTML/ca/umbrello/apphelp/index.cache.bz2
/usr/share/doc/HTML/ca/umbrello/apphelp/index.docbook
/usr/share/doc/HTML/ca/umbrello/authors.docbook
/usr/share/doc/HTML/ca/umbrello/code_import_and_generation.docbook
/usr/share/doc/HTML/ca/umbrello/credits.docbook
/usr/share/doc/HTML/ca/umbrello/index.cache.bz2
/usr/share/doc/HTML/ca/umbrello/index.docbook
/usr/share/doc/HTML/ca/umbrello/introduction.docbook
/usr/share/doc/HTML/ca/umbrello/other_features.docbook
/usr/share/doc/HTML/ca/umbrello/settings.docbook
/usr/share/doc/HTML/ca/umbrello/uml_basics.docbook
/usr/share/doc/HTML/ca/umbrello/working_with_umbrello.docbook
/usr/share/doc/HTML/da/umbrello
/usr/share/doc/HTML/da/umbrello/authors.docbook
/usr/share/doc/HTML/da/umbrello/code_import_and_generation.docbook
/usr/share/doc/HTML/da/umbrello/credits.docbook
/usr/share/doc/HTML/da/umbrello/index.cache.bz2
There is 406 files more in these RPM.