```ts
type ToolResultContent =
  | TextBlock
  | JsonBlock
  | ImageBlock
  | VideoBlock
  | DocumentBlock;
```

Defined in: [src/types/messages.ts:357](https://github.com/strands-agents/harness-sdk/blob/57d070582e9bd93afb549b4d2f976ce0dbaf03b6/strands-ts/src/types/messages.ts#L357)