An entrypoint is where the programm execution starts.
init(array|\ArrayAccess &$define, array|\ArrayAccess &$implement, array|\ArrayAccess &$use, array|\ArrayAccess &$contribute, array|\ArrayAccess &$seek, array|\ArrayAccess &$provide, array|\ArrayAccess &$pull, array|\ArrayAccess &$internal,)
enter()
Pass program execution to this entry point.