Doc
One admitted document version, as KnowledgeProvider.get returns it.
Its bytes are an artifact in the store, named by content_ref.
Fields
doc_idstringrequiredThe document's id.
versionstringrequiredThe version asked for.
media_typestringrequiredThe document's media type, as it was ingested.
content_refArtifactRefrequiredContent-addressed bytes.
bindingBindingrequiredIssued by the host; the provider stores it opaquely.