is the service that every driver class must 器具／実施する.
Each driver should 供給（する） a service that 器具／実施するs
the Driver interface.
The DriverManager will try to 負担 as many drivers as it can
find and then for any given 関係 request, it will ask each
driver in turn to try to connect to the 的 URL.
It is 堅固に recommended that each Driver 反対する should be
small and standalone so that the Driver 反対する can be 負担d and
queried without bringing in 広大な 量s of supporting code.
