from typing import List

    from docarray import BaseDoc, DocList
    from docarray.documents import TextDoc

    class TextDocWithId(TextDoc):
        id: str

    class ResultTestDoc(BaseDoc):
        matches: List[TextDocWithId]

    da = DocList[ResultTestDoc](
        [
            ResultTestDoc(matches=[TextDocWithId(id=f'{i}') for _ in range(10)])
            for i in range(10)
        ]
    )

    DocList[ResultTestDoc].from_protobuf(da.to_protobuf())