6.7.19 Predefined Node Types

Every repository must support at least the primary node type nt:base. All other primary node types must be subtypes of nt:base. A number of predefined primary node types are defined for common application domains.

In general, support for these additional primary node types is optional.

Three mixin node types mix:referenceable, mix:versionable and mix:lockable are defined. In general support for these types is also optional. However: