The sembast codec to use to read/write records.
It uses a user defined codec that must convert between a map and a single line string.
It must have a public signature, typically a comprehensive ascii name.
Map< String, dynamic>, String>
The actual codec used
- hashCode → int
The hash code for this object. [...]
- runtimeType → Type
A representation of the runtime type of the object.
- signature → String
The public signature, can be a constant, a password hash...