class wt_node_internal: public wt_node {
public:
wt_node_internal(uint * seq, uint n, uint l, wt_coder * c, static_bitsequence_builder * bmb);
class wt_node_internal: public wt_node {
public:
wt_node_internal(uint * seq, uint n, uint l, wt_coder * c, static_bitsequence_builder * bmb);