A class describes a container which is the marker.
This container is added into the output stream for identification the position of the FooterBand's
in the end of a list. This is necessary because these bands are output before the list and they should be replaced
into the right place.
A class describes a container. Descedants of a container are used as a containers for the end and for the beginning of the data level.
All these containers should be removed from the rendered report.
A class describes a container which is the marker.
This container is added into the output stream for identification of the end of the groupping level.
A class describes a container that is the marker.
This container is added into the stream of output for identification of the beginning of groupping level.