xdg-desktop-portal works by exposing a series of D-Bus interfaces known as portals under a well-known name (org.freedesktop.portal.Desktop) and object path (/org/freedesktop/portal/desktop). The portal interfaces include APIs for file access, opening URIs, printing and others.
acquired package info from repodata DB: repodata/c6728b641a5a2e9ff95d4e939ef469b8dd52a854bca394edd63e2db1de374323-primary.sqlite.bz2