@startuml userupload
class APIRouter {
}

class UploadFile {
}

class FileDependencies {
}

class DocumentIngestor {
    +ingest_document(file_location: str, collection_name: str): void
}

class Sanitizer {
    +sanitize_collection_name(name: str): str
}

APIRouter ..> UploadFile : receives
APIRouter ..> FileDependencies : uses
UploadFile ..> DocumentIngestor : processed by
APIRouter ..> Sanitizer : uses
@enduml