class_docstr: This is a benchmark, not a real test case. You can run it
  using:
  
  >>> from igraph.test.cliques import CliqueBenchmark
  >>> CliqueBenchmark().run()
class_docstr_tok: ["This","is","a","benchmark",",","not","a","real","test","case",".","You","can","run","it","using",":",">",">",">","from","igraph.test.cliques","import","CliqueBenchmark",">",">",">","CliqueBenchmark","(",")",".run","(",")"]
code: def timeit(self, g):
      start = self.time()
      g.clique_number()
      mid = self.time()
      cl = g.maximal_cliques()
      end = self.time()
      self.gc_collect()
      return len(cl), mid - start, end - mid
  
imports: import unittest
  from igraph import Graph
  from .utils import temporary_file
label_desc: Use image node_id 4 for calling the CliqueBenchmark obj's underlying member method code with example usage: obj.timeit(g) and returns: len,  unknown,  unknown