Include file:
#include "mcrl2/data/traverser.h"
add your file description here.
mcrl2::data::add_traverser_data_expressions
mcrl2::data::add_traverser_identifier_strings
mcrl2::data::add_traverser_sort_expressions
mcrl2::data::add_traverser_variables
mcrl2::data::data_expression_traverser
mcrl2::data::identifier_string_traverser
mcrl2::data::sort_expression_traverser
mcrl2::data::variable_traverser