KnowledgeSourceKind
`upload: files sent to POST .../documents, stored envelope-encrypted. url: public pages under declared prefixes, optionally from a sitemap, with robots.txthonoured.connection(P2): folders, sites or spaces of a Connection, refused withcapability_not_available` until then (1.53.0).
An enumeration of 3 values.
Values
uploadurlconnection