
<p><strong>search_method</strong>: str.
Method of of exact search ([‘astar’, ‘dp’]).
Default is astar.</p>
<p><strong>use_path_extension</strong>: bool.
Whether to use optimal path extension for order graph. Note that
this trick will not affect the correctness of search procedure.
Default is True.</p>
<p><strong>use_k_cycle_heuristic</strong>: bool.
Whether to use k-cycle conflict heuristic for astar.
Default is False.</p>
<p><strong>k</strong>: int.
Parameter used by k-cycle conflict heuristic for