docs: private Document insertDocument(EntityKeyMetadata entityKeyMetadata, Tuple tuple, TupleContext tupleContext ) {
  		Document dbObject = objectForInsert( tuple, ( (MongoDBTupleSnapshot) tuple.getSnapshot() ).getDbObject() );
  		getCollection( entityKeyMetadata.getTable(), tupleContext.getTupleTypeContext().getOptionsContext() ).insertOne( dbObject );
  		return dbObject;
  	}