var a01669 = [ [ "_V2", null, [ [ "steady_clock", "a00668.html", "a00668" ], [ "system_clock", "a00669.html", "a00669" ] ] ], [ "duration", "a00670.html", "a00670" ], [ "duration_values", "a00671.html", "a00671" ], [ "time_point", "a00672.html", "a00672" ], [ "treat_as_floating_point", "a00673.html", "a00673" ] ];