Return the combined text of all child nodes. This method only considers
tokens which have been added to the parse tree.
<p>
Since tokens on hidden channels (e.g. whitespace or comments) are not
added to the parse trees, they will not appear in the output of this
method.
Return the combined text of all child nodes. This method only considers tokens which have been added to the parse tree. <p> Since tokens on hidden channels (e.g. whitespace or comments) are not added to the parse trees, they will not appear in the output of this method.