def process_def(exp, parent)
      inside_new_context(current_context.method_context_class, exp, parent) do
        increase_statement_count_by(exp.body)
        process(exp)
      end
    end
def process_def(exp, parent)
      inside_new_context(current_context.method_context_class, exp, parent) do
        increase_statement_count_by(exp.body)
        process(exp)
      end
    end
Handles `def` nodes.

 An input example that would trigger this method would be:

   def call_me; foo = 2; bar = 5; end

 Given the above example we would count 2 statements overall.