Signed-off-by: Brian Anderson <andersrb@gmail.com>

Signed-off-by: Brian Anderson <andersrb@gmail.com>

* server: Add EK typaram to TiKVEngines type
Signed-off-by: Brian Anderson <andersrb@gmail.com>
* server: Add EK typaram to EngineMetricsManager
Signed-off-by: Brian Anderson <andersrb@gmail.com>
* server: Add EK typaram to ServerType/RaftKvType
Signed-off-by: Brian Anderson <andersrb@gmail.com>
* server: Add EK typaram to Servers type
Signed-off-by: Brian Anderson <andersrb@gmail.com>
* server: Replace RocksEngine with typaram in signal_handler
Signed-off-by: Brian Anderson <andersrb@gmail.com>
* server: Fix signature of wait_for_signal on not(unix)
Signed-off-by: Brian Anderson <andersrb@gmail.com>
* storage: Replace RocksEngine with typaram in StorageConfigManager
Signed-off-by: Brian Anderson <andersrb@gmail.com>
* server: Add EK typaram to Node
Signed-off-by: Brian Anderson <andersrb@gmail.com>
* rustfmt
Signed-off-by: Brian Anderson <andersrb@gmail.com>
* server: Use impl trait instead of ER typaram in signal_handler
Signed-off-by: Brian Anderson <andersrb@gmail.com>
* storage: Return Self
Signed-off-by: Brian Anderson <andersrb@gmail.com>
Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>