from typing import Any, Dict, List, Optional
from dataclasses import dataclass, field


@dataclass
class ContentPart:
    id: str
    parentId: Optional[str]
    label: str
    typeGroup: str
    mimeType: str
    data: str
    metadata: Dict[str, Any] = field(default_factory=dict)


@dataclass
class ExtractedContent:
    id: str
    parts: List[ContentPart]
    summary: Optional[Dict[str, Any]] = None