The key in which this value will be persisted in DynamoDB. If not provided, the key will be assumed to be the same in the input and in the persisted record.
An optional default value factory. If a type has a defined
defaultProvider and its value is undefined in the provided input, the
defaultProvider will be called and its return value serialized.
A Schema outlining how the members of this document are to be (un)marshalled.
A constructor to invoke to create an object onto which the document's
members will be unmarshalled. If not provided, Object.create(null) will
be used.
A node represented by its own full Schema. Marshalled as an embedded map.