# DefsOf

`type` in `core` · v0.8.0

<https://docs.seedcord.org/packages/core/0.8.0/types/defs-of>

## Declaration

```ts
type DefsOf<TCtor extends AnyHandlerCtor> =
    InstanceType<TCtor> extends {
        [ComponentDefsBrand]?: infer Defs extends readonly AnyCustomId[];
    }
        ? Defs
        : never;
```