lib_index(wgraph_adjacency, 3, any, wgraph, wgraph_adjacency).
lib_index(wgraph_add_vertices, 3, any, wgraph, wgraph_add_vertices).
lib_index(wgraph_clique, 2, any, wgraph, wgraph_clique).
lib_index(wgraph, 3, any, wgraph, wgraph).
lib_index(wgraph_clique, 4, any, wgraph, wgraph_clique).
lib_index(wgraph_ugraph, 2, any, wgraph, wgraph_ugraph).
lib_index(wgraph_vertices, 2, any, wgraph, wgraph_vertices).
lib_index(wgraph_adjacency, 2, any, wgraph, wgraph_adjacency).
lib_index(wgraph_add_edges, 3, any, wgraph, wgraph_add_edges).
lib_index(wgraph, 2, any, wgraph, wgraph).
lib_index(wgraph_known_cliques_replace, 4, any, wgraph, wgraph_known_cliques_replace).
lib_index(wgraph_plot, 2, any, wgraph, wgraph_plot).