text: /* */ 
  'use strict';
  var impl = require('./wtf_impl');
  exports.wtfEnabled = impl.detectWTF();
  function noopScope(arg0, arg1) {
    return null;
  }
  exports.wtfCreateScope = exports.wtfEnabled ? impl.createScope : function(signature, flags) {
    return noopScope;
  };
  exports.wtfLeave = exports.wtfEnabled ? impl.leave : function(s, r) {
    return r;
  };
  exports.wtfStartTimeRange = exports.wtfEnabled ? impl.startTimeRange : function(rangeType, action) {
    return null;
  };
  exports.wtfEndTimeRange = exports.wtfEnabled ? impl.endTimeRange : function(r) {
    return null;
  };
  