'Pick the first Ijk_FakeRet edge from all_edges, and return the destination node.
:param list all_edges: A list of networkx.Graph edges with data.
:return:               The first FakeRet node, or None if nothing is found.
:rtype:                CFGNode or None'

@staticmethod
def _one_fakeret_node(all_edges):

    for (_, dst, data) in all_edges:
        if (data.get('jumpkind', None) == 'Ijk_FakeRet'):
            return dst
    return None
