#[repr(C)]
pub struct GVolumeMonitorClass {
    pub parent_class: GObjectClass,
    pub volume_added: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *mut GVolume)>,
    pub volume_removed: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *mut GVolume)>,
    pub volume_changed: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *mut GVolume)>,
    pub mount_added: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *mut GMount)>,
    pub mount_removed: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *mut GMount)>,
    pub mount_pre_unmount: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *mut GMount)>,
    pub mount_changed: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *mut GMount)>,
    pub drive_connected: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *mut GDrive)>,
    pub drive_disconnected: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *mut GDrive)>,
    pub drive_changed: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *mut GDrive)>,
    pub is_supported: Option<unsafe extern "C" fn() -> gboolean>,
    pub get_connected_drives: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor) -> *mut GList>,
    pub get_volumes: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor) -> *mut GList>,
    pub get_mounts: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor) -> *mut GList>,
    pub get_volume_for_uuid: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *const c_char) -> *mut GVolume>,
    pub get_mount_for_uuid: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *const c_char) -> *mut GMount>,
    pub adopt_orphan_mount: Option<unsafe extern "C" fn(_: *mut GMount, _: *mut GVolumeMonitor) -> *mut GVolume>,
    pub drive_eject_button: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *mut GDrive)>,
    pub drive_stop_button: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *mut GDrive)>,
    pub _g_reserved1: Option<unsafe extern "C" fn()>,
    pub _g_reserved2: Option<unsafe extern "C" fn()>,
    pub _g_reserved3: Option<unsafe extern "C" fn()>,
    pub _g_reserved4: Option<unsafe extern "C" fn()>,
    pub _g_reserved5: Option<unsafe extern "C" fn()>,
    pub _g_reserved6: Option<unsafe extern "C" fn()>,
}
Fields
                           
                           parent_class: GObjectClass
                           
                           
                           volume_added: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *mut GVolume)>
                           
                           
                           volume_removed: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *mut GVolume)>
                           
                           
                           volume_changed: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *mut GVolume)>
                           
                           
                           mount_added: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *mut GMount)>
                           
                           
                           mount_removed: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *mut GMount)>
                           
                           
                           mount_pre_unmount: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *mut GMount)>
                           
                           
                           mount_changed: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *mut GMount)>
                           
                           
                           drive_connected: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *mut GDrive)>
                           
                           
                           drive_disconnected: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *mut GDrive)>
                           
                           
                           drive_changed: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *mut GDrive)>
                           
                           
                           is_supported: Option<unsafe extern "C" fn() -> gboolean>
                           
                           
                           get_connected_drives: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor) -> *mut GList>
                           
                           
                           get_volumes: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor) -> *mut GList>
                           
                           
                           get_mounts: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor) -> *mut GList>
                           
                           
                           get_volume_for_uuid: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *const c_char) -> *mut GVolume>
                           
                           
                           get_mount_for_uuid: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *const c_char) -> *mut GMount>
                           
                           
                           adopt_orphan_mount: Option<unsafe extern "C" fn(_: *mut GMount, _: *mut GVolumeMonitor) -> *mut GVolume>
                           
                           
                           drive_eject_button: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *mut GDrive)>
                           
                           
                           drive_stop_button: Option<unsafe extern "C" fn(_: *mut GVolumeMonitor, _: *mut GDrive)>
                           
                           
                           _g_reserved1: Option<unsafe extern "C" fn()>
                           
                           
                           _g_reserved2: Option<unsafe extern "C" fn()>
                           
                           
                           _g_reserved3: Option<unsafe extern "C" fn()>
                           
                           
                           _g_reserved4: Option<unsafe extern "C" fn()>
                           
                           
                           _g_reserved5: Option<unsafe extern "C" fn()>
                           
                           
                           _g_reserved6: Option<unsafe extern "C" fn()>