#[repr(C)]
pub struct GstPresetInterface {
pub parent: GTypeInterface,
pub get_preset_names: Option<unsafe extern "C" fn(_: *mut GstPreset) -> *mut *mut c_char>,
pub get_property_names: Option<unsafe extern "C" fn(_: *mut GstPreset) -> *mut *mut c_char>,
pub load_preset: Option<unsafe extern "C" fn(_: *mut GstPreset, _: *const c_char) -> gboolean>,
pub save_preset: Option<unsafe extern "C" fn(_: *mut GstPreset, _: *const c_char) -> gboolean>,
pub rename_preset: Option<unsafe extern "C" fn(_: *mut GstPreset, _: *const c_char, _: *const c_char) -> gboolean>,
pub delete_preset: Option<unsafe extern "C" fn(_: *mut GstPreset, _: *const c_char) -> gboolean>,
pub set_meta: Option<unsafe extern "C" fn(_: *mut GstPreset, _: *const c_char, _: *const c_char, _: *mut *mut c_char) -> gboolean>,
pub get_meta: Option<unsafe extern "C" fn(_: *mut GstPreset, _: *const c_char, _: *const c_char, _: *mut *mut c_char) -> gboolean>,
pub _gst_reserved: [gpointer; 4],
}
parent: GTypeInterface
get_preset_names: Option<unsafe extern "C" fn(_: *mut GstPreset) -> *mut *mut c_char>
get_property_names: Option<unsafe extern "C" fn(_: *mut GstPreset) -> *mut *mut c_char>
load_preset: Option<unsafe extern "C" fn(_: *mut GstPreset, _: *const c_char) -> gboolean>
save_preset: Option<unsafe extern "C" fn(_: *mut GstPreset, _: *const c_char) -> gboolean>
rename_preset: Option<unsafe extern "C" fn(_: *mut GstPreset, _: *const c_char, _: *const c_char) -> gboolean>
delete_preset: Option<unsafe extern "C" fn(_: *mut GstPreset, _: *const c_char) -> gboolean>
set_meta: Option<unsafe extern "C" fn(_: *mut GstPreset, _: *const c_char, _: *const c_char, _: *mut *mut c_char) -> gboolean>
get_meta: Option<unsafe extern "C" fn(_: *mut GstPreset, _: *const c_char, _: *const c_char, _: *mut *mut c_char) -> gboolean>
_gst_reserved: [gpointer; 4]