📝 Provide a description of the improvement

It's not possible to import { SchemaContext } from 'ckeditor5'.

https://ckeditor.com/docs/ckeditor5/latest/api/module_engine_model_schema-SchemaContext.html

📃 Other details

• Browser: …
• OS: …
• CKEditor version: …
• Installed CKEditor plugins: …

If you'd like to see this improvement implemented, add a 👍 reaction to this post.