Creates a dictionary shape with a typed model value and no other constraints.
The scalar Locales type of the model
Scalar localised prototype value for runtime model assembly: a tag-keyed map associating each language tag (or tag range) with its content
An immutable shape with model typed as M
Creates a dictionary shape with optional validation constraints.
Optionalconstraints: COptional shape constraints
An immutable shape with model typed as Locales
Creates a dictionary shape.