# selection.ManyRelation

- **Module:** selection
- **Package:** libtmux
- **Language:** TypeScript
- **Kind:** typealias
- **Source:** https://github.com/libtmux/libtmux-ts/blob/46cccfef2a546de55ce8b308249b8c76339089a0/packages/libtmux/src/selection.ts#L118
- **Page:** https://libtmux.org/en/ts/latest/reference/selection-manyrelation/

```ts
type ManyRelation<Where> = | { readonly every?: Where; readonly none?: Where; readonly some: Where }
| { readonly every: Where; readonly none?: Where; readonly some?: Where }
| { readonly every?: Where; readonly none: Where; readonly some?: Where }
```

How criteria apply to a collection: to any of it, all of it, or none.

At least one of the three must be given. `every` and `none` both hold
vacuously for an empty collection, which is set theory rather than a bug,
and `some` is what a caller usually wants instead.

## Type parameters

- `Where`