CLASS uo net/minecraft/entity/boss/ServerBossBar FIELD j visible Z METHOD a setPercent (F)V METHOD a setColor (Laff$a;)V METHOD a setOverlay (Laff$b;)V METHOD a setName (Ljd;)V METHOD a setDarkenSky (Z)Laff; METHOD b setDragonMusic (Z)Laff; METHOD c setThickenFog (Z)Laff; METHOD d setVisible (Z)V ARG 1 visible