code: @Override
  	public InsertsType getDefaultInsertsType() {
  		return InsertsType.valueOf(getDefaultProps().getOrDefault(PROPS_KEY_DEFAULT_INSERTS_TYPE,
  				InsertsType.BULK.toString()));
  	}
docs: {@inheritDoc}
  
  @see jp.co.future.uroborosql.SqlAgentFactory#getDefaultInsertsType()