A common interface for database engines.
Don't implement this interface directly, instead implement one of the known sub-interfaces, like IClusterEngine and IInstanceEngine.
|engine||The type of the engine, for example "mysql".|
|engine||The exact version of the engine that is used, for example "5.1.42".|
|parameter||The family to use for ParameterGroups using this engine.|
The type of the engine, for example "mysql".
(optional, default: use the default version for this engine type)
The exact version of the engine that is used, for example "5.1.42".
(optional, default: the ParameterGroup family is not known
(which means the major version of the engine is also not known))
The family to use for ParameterGroups using this engine.
This is usually equal to "