• curr_vertex_ : bgrl_search_func
• eval_queue_ : bgrl_breadth_search , bgrl_depth_search
• from_ : bgrl_edge
• graph_ : bgrl_graph::iterator
• in_edges_ : bgrl_vertex
• internal_ : bgrl_graph::iterator
• out_edges_ : bgrl_vertex
• search_func_ : bgrl_graph::iterator
• to_ : bgrl_edge
• use_internal_ : bgrl_graph::iterator
• vertices_ : bgrl_graph
• visited_ : bgrl_depth_search , bgrl_breadth_search

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