extern cvar_t sv_gameplayfix_stepwhilejumping;
extern cvar_t sv_gameplayfix_swiminbmodels;
extern cvar_t sv_gameplayfix_upwardvelocityclearsongroundflag;
+extern cvar_t sv_gameplayfix_downtracesupportsongroundflag;
extern cvar_t sv_gravity;
extern cvar_t sv_idealpitchscale;
extern cvar_t sv_jumpstep;