Optional ReadonlydefaultOptional ReadonlyfunctionThe resolver of host functions (contract 2.1), required when a document calls one the vocabulary or a builder declares.
Optional ReadonlylimitsOptional ReadonlyobserverEngine observability: defects and diagnostics.
ReadonlyregistryOptional ReadonlyuserProduct analytics: user interactions.
ReadonlyvocabularyThe vocabulary artifact, as JSON text.
Defaults to the contract default, fail.