our stack.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>containerClass</CODE> - class of container<DD><CODE>required</CODE> - if true, ConverterException is thrown if no container found<DD><CODE>forWhichBuilder</CODE> - used in error message if container not found
<DT><B>Returns:</B><DD>the container
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../../../org/apache/fop/render/rtf/rtflib/exceptions/RtfException.html" title="class in org.apache.fop.render.rtf.rtflib.exceptions">RtfException</A></CODE> - i