Type Alias PauseSimultaneousHandsAndControllersTrackingMETA 

pub type PauseSimultaneousHandsAndControllersTrackingMETA = unsafe extern "system" fn(session: Session, pause_info: *const SimultaneousHandsAndControllersTrackingPauseInfoMETA) -> Result;

See xrPauseSimultaneousHandsAndControllersTrackingMETA - defined by XR_META_simultaneous_hands_and_controllers