Fixes the SAT warning: First javadoc author should have "Initial contribution" contribution description.
Signed-off-by: Wouter Born <github@maindrain.net>
* Use constructor injection to simplify lifecycle
* Added nullness annotations to PersistenceManager
* Removed declaration with null
Signed-off-by: Christoph Weitkamp <github@christophweitkamp.de>
* Move null annotations between modifiers and variable type
* Remove redundant public modifiers from interfaces where applicable
* Remove redundant `@NonNull` annotations
Signed-off-by: Wouter Born <github@maindrain.net>
