Instance variables optimization
Instance variables optimization

tsmgeek/traccar,jssenyange/traccar,ninioe/traccar,jssenyange/traccar,tananaev/traccar,tsmgeek/traccar,orcoliver/traccar,tananaev/traccar,orcoliver/traccar,tananaev/traccar,ninioe/traccar,tsmgeek/traccar,orcoliver/traccar,jssenyange/traccar,ninioe/traccar