```ts
type DocumentContentBlockData = TextBlockData;
```

Defined in: [src/types/media.ts:472](https://github.com/strands-agents/harness-sdk/blob/4b38b7443afa906bd2b3be1a7d7ce0cb44f39684/strands-ts/src/types/media.ts#L472)

Content blocks that can be nested inside a document. Documents can contain text blocks for structured content.