response schemas scratch

schemas-scratch.py

class NormalizationService(BaseModel):
    query: str
    warnings: Optional[Dict]
    match_type: MatchType
    record: Optional[MergedMatch]
    meta_: NormalizationMeta
    
class NormalizationMeta(BaseModel):    
    Sources: Optional[List[SourceMeta]],
    # either
    version: str,
    response_datetime: str
    # or
    service_meta_: SearchMeta # -> name SearchMeta something more generic

class Service(BaseModel):
    query: str
    warnings: Optional[Dict]
    source_matches: Union[Dict[SourceName, MatchesKeyed], List[MatchesListed]]
    service_meta_: SearchMeta
    
class SearchMeta(BaseModel):
    version: str
    response_datetime: str