Box Class
==============

.. php:class:: Box

    Represents a `box` Block

    .. php:method:: __construct(?string $description = null, null|array|string $colour = null)

        Create a new Box instance

        :param ?string $description: The description (default: no description)
        :param null|array|string $colour: The box background colour (default: no colour - transparent)

            * array - RGB(A) where RGB values are 0 <= value <= 255, and A is 0 <= value <= 1
            * string - HTML colour

        :returns: A new instance of ``Box``
        :rtype: Box

    .. php:method:: addParticipant(Participant ...$participant)

        Add participant(s)

        :param ParticipantInterface ...$interface: The participant(s)
        :returns: A new instance of ``Box`` with the participant(s) added
        :rtype: Box

    .. php:method:: withComment(string $comment)

        Sets a comment for the Box

        :param string $comment: The comment
        :returns: A new instance of ``Box`` with the comment
        :rtype: Box

    .. php:method:: withParticipant(ParticipantInterface ...$participant)

        Set participant(s)

        :param ParticipantInterface ...$interface: The participant(s)
        :returns: A new instance of ``Box`` with the participant(s)
        :rtype: Box