# File lib/selenium/openqa/selenium.rb, line 218
        def get_boolean(verb, args)
            boolstr = get_string(verb, args)
            if ("true" == boolstr)
                return true
            end
            if ("false" == boolstr)
                return false
            end
            raise ValueError, "result is neither 'true' nor 'false': " + boolstr
        end