@classmethod
def mongo_config_for_collection(cls, collection_name: str=None):
    """
        Return a configuration object of MongoDBManager for given collection_name
        If collection_name in any configuration file then use the configured collection_name
        Else use the given collection_name instead
        """
    if collection_name is None:
        collection_name = cls.COLLECTION_NAME
    if not getattr(cls, collection_name, False):
        collection_name = collection_name
    else:
        collection_name = getattr(cls, collection_name)
    return {'MONGODB_URI': cls.MONGODB_URI, 'DB_NAME': cls.DB_NAME,
        'COLLECTION_NAME': collection_name}
