[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [local‑first/Protocol](https://evolu.dev/docs/api-reference/common/local-first/Protocol) › decodeFlags

```ts
function decodeFlags(
  buffer: Buffer,
  count: number &
    Brand<"NonNaN"> &
    Brand<"Finite"> &
    Brand<"Int"> &
    Brand<"NonNegative"> &
    Brand<"Positive">,
): readonly boolean[];
```

Defined in: [packages/common/src/local-first/Protocol.ts:1831](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/common/src/local-first/Protocol.ts#L1831)

Decodes a byte into an array of boolean flags.

### Example

```ts

const buffer = createBuffer([0b101]);
const flags = decodeFlags(buffer, PositiveInt.orThrow(3));

assertEqual(flags, [true, false, true]);
assertEqual(buffer.getLength(), 0);
```