consumer

type Consumer interface {
	/**
	 * Performs this operation on the given argument.
	 *
	 * @param t the input argument
	 */
	Accept(t interface{})

	/**
	 * Returns a composed {@code Consumer} that performs, in sequence, this
	 * operation followed by the {@code after} operation. If performing either
	 * operation throws an exception, it is relayed to the caller of the
	 * composed operation.  If performing this operation throws an exception,
	 * the {@code after} operation will not be performed.
	 *
	 * @param after the operation to perform after this operation
	 * @return a composed {@code Consumer} that performs in sequence this
	 * operation followed by the {@code after} operation
	 * @throws NullPointerException if {@code after} is null
	 */
	AndThen(after Consumer) Consumer
}

type ConsumerFunc func(t interface{})

type TODO struct {
	class.Class
}