private static boolean updateAllProperties() {
        boolean changed = false;
        for (DynamicProperty prop : ALL_PROPS.values()) {
            if (prop.updateValue()) {
                prop.notifyCallbacks();
                changed = true;
            }
        }
        return changed;
    }
private static boolean updateAllProperties() {
        boolean changed = false;
        for (DynamicProperty prop : ALL_PROPS.values()) {
            if (prop.updateValue()) {
                prop.notifyCallbacks();
                changed = true;
            }
        }
        return changed;
    }
private static boolean updateAllProperties ( ) { boolean changed = false ; for ( DynamicProperty prop : ALL_PROPS . values ( ) ) { if ( prop . updateValue ( ) ) { prop . notifyCallbacks ( ) ; changed = true ; } } return changed ; }
return true iff _some_ value actually changed
return true iff _some_ value actually changed