AbstractReadonlydestroy$
When Lifecycle Object is destroyed, it emits and closes this subject. Along with destroying his children, which in turn behave the same.
OptionalgameParent GameObject is assigned at creation.
Each Lifecycle Object has label for pixi debugging.
Readonlyupdate$
When Lifecycle Object is updated, it emits this subject. Along with updating his children, which in turn behave the same.
Staticdestroy
Staticupdate
Lifecycles can have children Lifecycles