[Backport to 16_0_X (#49860)] Refactor of PortableCollections#49953

cmsbuild merged 1 commit intocms-sw:CMSSW_16_0_Xcms-sw/cmssw:CMSSW_16_0_Xfrom

Electricks94:PortableCollection_160XElectricks94/cmssw:PortableCollection_160XCopy head branch name to clipboard