DataDetails holds detailed information about a single item, typically used for displaying detailed views of a specific entity.

DataError is used to represent errors as data.

DataList represents a structured list of items, each being a map of strings.

DataMessage holds a simple text message.

JSONFormatter implements Formatter to output data in JSON format.

Data is an interface for types that can be displayed using a Formatter.

Format formats the given data and returns a string representation.