New returns a set of versions.

WithPrefix returns a set of versions with prefix added to all attribute names.

Optional cloudevents attributes.

Required cloudevents attributes.

Built-in un-prefixed versions.

Built-in un-prefixed versions.

Built-in un-prefixed versions.

Versions contains all known versions with the same attribute prefix.

Attribute is a named attribute accessor.

Version provides meta-data for a single spec-version.

Kind is a version-independent identifier for a CloudEvent context attribute.