RuntimeManager has been introduced to simplify the configuration of
KnowledgeSession). Its main duty is to manage and create instances of
RuntimeEngine according to predefined strategies (see the Runtime strategy section).
org.kie.api.runtime.manager.RuntimeManager unburdens the user from the development of a typical boilerplate code; it sets up the execution environment for processes (wrapping the KieSession and the task service into the RuntimeEngine) and manages the following Drools services: