def METHOD_NAME(
    self, patch_set: Sequence[Mapping[str, Any]]
) -> Sequence[Mapping[str, str]]:
    type_mapping = {"add": "A", "delete": "D", "edit": "M"}
    file_changes = []
    # https://docs.microsoft.com/en-us/rest/api/vsts/git/commits/get%20changes#versioncontrolchangetype
    for change in patch_set:
        change_type = type_mapping.get(change["changeType"])
        if change_type and change.get("item") and change["item"]["gitObjectType"] == "blob":
            file_changes.append({"path": change["item"]["path"], "type": change_type})
    return file_changes