1use mlua::{FromLua, ToLua};
 2
 3pub trait FromRuntime: Sized {
 4    fn from_runtime() -> Option<Self>;
 5}
 6
 7pub trait Interface {
 8    type Handle;
 9    fn handles(&self) -> &[Self::Handle];
10}
11
12pub trait Runtime
13where
14    Self: Sized,
15{
16    type Module;
17    type Interface: Interface;
18
19    fn init(plugin: Self::Module) -> Option<Self>;
20    fn interface(&self) -> Self::Interface;
21    fn val<'lua, K: ToLua<'lua>, V: FromLua<'lua>>(&'lua self, key: K) -> Option<V>;
22}