"""Create a new Engine instance using a configuration dictionary.
The *configuration* dictionary is typically produced from a config file
- in which keys are prefixed, e.g. sqlalchemy.url, sqlalchemy.echo, etc.
- The 'prefix' argument indicates the prefix to be searched for.
+ in which keys are prefixed, e.g. ``sqlalchemy.url``, ``sqlalchemy.echo``,
+ etc. The 'prefix' argument indicates the prefix to be searched for.
A select set of keyword arguments will be "coerced" to their
expected type based on string values. The set of arguments