text: 'use strict';
  
  /* jshint ignore:start */
  /**
   * This code was generated by
   * \ / _    _  _|   _  _
   *  | (_)\/(_)(_|\/| |(/_  v1.0.0
   *       /       /
   */
  /* jshint ignore:end */
  
  var Q = require('q');  /* jshint ignore:line */
  var _ = require('lodash');  /* jshint ignore:line */
  var util = require('util');  /* jshint ignore:line */
  var NotificationList = require('./challenge/notification').NotificationList;
  var Page = require('../../../../../base/Page');  /* jshint ignore:line */
  var deserialize = require(
      '../../../../../base/deserialize');  /* jshint ignore:line */
  var serialize = require(
      '../../../../../base/serialize');  /* jshint ignore:line */
  var values = require('../../../../../base/values');  /* jshint ignore:line */
  
  var ChallengeList;
  var ChallengePage;
  var ChallengeInstance;
  var ChallengeContext;
  
  /* jshint ignore:start */
  /**
   * Initialize the ChallengeList
   *
   * PLEASE NOTE that this class contains beta products that are subject to change.
   * Use them with caution.
   *
   * @constructor Twilio.Verify.V2.ServiceContext.EntityContext.ChallengeList
   *
   * @param {Twilio.Verify.V2} version - Version of the resource
   * @param {string} serviceSid - Service Sid.
   * @param {string} identity - Unique external identifier of the Entity
   */
  /* jshint ignore:end */
  ChallengeList = function ChallengeList(version, serviceSid, identity) {
    /* jshint ignore:start */
    /**
     * @function challenges
     * @memberof Twilio.Verify.V2.ServiceContext.EntityContext#
     *
     * @param {string} sid - sid of instance
     *
     * @returns {Twilio.Verify.V2.ServiceContext.EntityContext.ChallengeContext}
     */
    /* jshint ignore:end */
    function ChallengeListInstance(sid) {
      return ChallengeListInstance.get(sid);
    }
  
    ChallengeListInstance._version = version;
    // Path Solution
    ChallengeListInstance._solution = {serviceSid: serviceSid, identity: identity};
    ChallengeListInstance._uri = `/Services/${serviceSid}/Entities/${identity}/Challenges`;
    /* jshint ignore:start */
    /**
     * create a ChallengeInstance
     *
     * @function create
     * @memberof Twilio.Verify.V2.ServiceContext.EntityContext.ChallengeList#
     *
     * @param {object} opts - Options for request
     * @param {string} opts.factorSid - Factor Sid.
     * @param {Date} [opts.expirationDate] - The date-time when this Challenge expires
     * @param {string} [opts.details.message] -
     *          Shown to the user when the push notification arrives
     * @param {object|list} [opts.details.fields] -
     *          A list of objects that describe the Fields included in the Challenge
     * @param {object} [opts.hiddenDetails] -
     *          Hidden details provided to contextualize the Challenge
     * @param {string} [opts.authPayload] - Optional payload to verify the Challenge
     * @param {function} [callback] - Callback to handle processed record
     *
     * @returns {Promise} Resolves to processed ChallengeInstance
     */
    /* jshint ignore:end */
    ChallengeListInstance.create = function create(opts, callback) {
      if (_.isUndefined(opts)) {
        throw new Error('Required parameter "opts" missing.');
      }
      if (_.isUndefined(opts['factorSid'])) {
        throw new Error('Required parameter "opts[\'factorSid\']" missing.');
      }
  
      var deferred = Q.defer();
      var data = values.of({
        'FactorSid': _.get(opts, 'factorSid'),
        'ExpirationDate': serialize.iso8601DateTime(_.get(opts, 'expirationDate')),
        'Details.Message': _.get(opts, 'details.message'),
        'Details.Fields': serialize.map(_.get(opts, 'details.fields'), function(e) { return serialize.object(e); }),
        'HiddenDetails': serialize.object(_.get(opts, 'hiddenDetails')),
        'AuthPayload': _.get(opts, 'authPayload')
      });
  
      var promise = this._version.create({uri: this._uri, method: 'POST', data: data});
  
      promise = promise.then(function(payload) {
        deferred.resolve(new ChallengeInstance(
          this._version,
          payload,
          this._solution.serviceSid,
          this._solution.identity,
          this._solution.sid
        ));
      }.bind(this));
  
      promise.catch(function(error) {
        deferred.reject(error);
      });
  
      if (_.isFunction(callback)) {
        deferred.promise.nodeify(callback);
      }
  
      return deferred.promise;
    };
  
    /* jshint ignore:start */
    /**
     * Streams ChallengeInstance records from the API.
     *
     * This operation lazily loads records as efficiently as possible until the limit
     * is reached.
     *
     * The results are passed into the callback function, so this operation is memory
     * efficient.
     *
     * If a function is passed as the first argument, it will be used as the callback
     * function.
     *
     * @function each
     * @memberof Twilio.Verify.V2.ServiceContext.EntityContext.ChallengeList#
     *
     * @param {object} [opts] - Options for request
     * @param {string} [opts.factorSid] - Factor Sid.
     * @param {challenge.challenge_statuses} [opts.status] -
     *          The Status of theChallenges to fetch
     * @param {challenge.list_orders} [opts.order] -
     *          The sort order of the Challenges list
     * @param {number} [opts.limit] -
     *         Upper limit for the number of records to return.
     *         each() guarantees never to return more than limit.
     *         Default is no limit
     * @param {number} [opts.pageSize] -
     *         Number of records to fetch per request,
     *         when not set will use the default value of 50 records.
     *         If no pageSize is defined but a limit is defined,
     *         each() will attempt to read the limit with the most efficient
     *         page size, i.e. min(limit, 1000)
     * @param {Function} [opts.callback] -
     *         Function to process each record. If this and a positional
     *         callback are passed, this one will be used
     * @param {Function} [opts.done] -
     *          Function to be called upon completion of streaming
     * @param {Function} [callback] - Function to process each record
     */
    /* jshint ignore:end */
    ChallengeListInstance.each = function each(opts, callback) {
      if (_.isFunction(opts)) {
        callback = opts;
        opts = {};
      }
      opts = opts || {};
      if (opts.callback) {
        callback = opts.callback;
      }
      if (_.isUndefined(callback)) {
        throw new Error('Callback function must be provided');
      }
  
      var done = false;
      var currentPage = 1;
      var currentResource = 0;
      var limits = this._version.readLimits({
        limit: opts.limit,
        pageSize: opts.pageSize
      });
  
      function onComplete(error) {
        done = true;
        if (_.isFunction(opts.done)) {
          opts.done(error);
        }
      }
  
      function fetchNextPage(fn) {
        var promise = fn();
        if (_.isUndefined(promise)) {
          onComplete();
          return;
        }
  
        promise.then(function(page) {
          _.each(page.instances, function(instance) {
            if (done || (!_.isUndefined(opts.limit) && currentResource >= opts.limit)) {
              done = true;
              return false;
            }
  
            currentResource++;
            callback(instance, onComplete);
          });
  
          if (!done) {
            currentPage++;
            fetchNextPage(_.bind(page.nextPage, page));
          } else {
            onComplete();
          }
        });
  
        promise.catch(onComplete);
      }
  
      fetchNextPage(_.bind(this.page, this, _.merge(opts, limits)));
    };
  
    /* jshint ignore:start */
    /**
     * Lists ChallengeInstance records from the API as a list.
     *
     * If a function is passed as the first argument, it will be used as the callback
     * function.
     *
     * @function list
     * @memberof Twilio.Verify.V2.ServiceContext.EntityContext.ChallengeList#
     *
     * @param {object} [opts] - Options for request
     * @param {string} [opts.factorSid] - Factor Sid.
     * @param {challenge.challenge_statuses} [opts.status] -
     *          The Status of theChallenges to fetch
     * @param {challenge.list_orders} [opts.order] -
     *          The sort order of the Challenges list
     * @param {number} [opts.limit] -
     *         Upper limit for the number of records to return.
     *         list() guarantees never to return more than limit.
     *         Default is no limit
     * @param {number} [opts.pageSize] -
     *         Number of records to fetch per request,
     *         when not set will use the default value of 50 records.
     *         If no page_size is defined but a limit is defined,
     *         list() will attempt to read the limit with the most
     *         efficient page size, i.e. min(limit, 1000)
     * @param {function} [callback] - Callback to handle list of records
     *
     * @returns {Promise} Resolves to a list of records
     */
    /* jshint ignore:end */
    ChallengeListInstance.list = function list(opts, callback) {
      if (_.isFunction(opts)) {
        callback = opts;
        opts = {};
      }
      opts = opts || {};
      var deferred = Q.defer();
      var allResources = [];
      opts.callback = function(resource, done) {
        allResources.push(resource);
  
        if (!_.isUndefined(opts.limit) && allResources.length === opts.limit) {
          done();
        }
      };
  
      opts.done = function(error) {
        if (_.isUndefined(error)) {
          deferred.resolve(allResources);
        } else {
          deferred.reject(error);
        }
      };
  
      if (_.isFunction(callback)) {
        deferred.promise.nodeify(callback);
      }
  
      this.each(opts);
      return deferred.promise;
    };
  
    /* jshint ignore:start */
    /**
     * Retrieve a single page of ChallengeInstance records from the API.
     *
     * The request is executed immediately.
     *
     * If a function is passed as the first argument, it will be used as the callback
     * function.
     *
     * @function page
     * @memberof Twilio.Verify.V2.ServiceContext.EntityContext.ChallengeList#
     *
     * @param {object} [opts] - Options for request
     * @param {string} [opts.factorSid] - Factor Sid.
     * @param {challenge.challenge_statuses} [opts.status] -
     *          The Status of theChallenges to fetch
     * @param {challenge.list_orders} [opts.order] -
     *          The sort order of the Challenges list
     * @param {string} [opts.pageToken] - PageToken provided by the API
     * @param {number} [opts.pageNumber] -
     *          Page Number, this value is simply for client state
     * @param {number} [opts.pageSize] - Number of records to return, defaults to 50
     * @param {function} [callback] - Callback to handle list of records
     *
     * @returns {Promise} Resolves to a list of records
     */
    /* jshint ignore:end */
    ChallengeListInstance.page = function page(opts, callback) {
      if (_.isFunction(opts)) {
        callback = opts;
        opts = {};
      }
      opts = opts || {};
  
      var deferred = Q.defer();
      var data = values.of({
        'FactorSid': _.get(opts, 'factorSid'),
        'Status': _.get(opts, 'status'),
        'Order': _.get(opts, 'order'),
        'PageToken': opts.pageToken,
        'Page': opts.pageNumber,
        'PageSize': opts.pageSize
      });
  
      var promise = this._version.page({uri: this._uri, method: 'GET', params: data});
  
      promise = promise.then(function(payload) {
        deferred.resolve(new ChallengePage(this._version, payload, this._solution));
      }.bind(this));
  
      promise.catch(function(error) {
        deferred.reject(error);
      });
  
      if (_.isFunction(callback)) {
        deferred.promise.nodeify(callback);
      }
  
      return deferred.promise;
    };
  
    /* jshint ignore:start */
    /**
     * Retrieve a single target page of ChallengeInstance records from the API.
     *
     * The request is executed immediately.
     *
     * If a function is passed as the first argument, it will be used as the callback
     * function.
     *
     * @function getPage
     * @memberof Twilio.Verify.V2.ServiceContext.EntityContext.ChallengeList#
     *
     * @param {string} [targetUrl] - API-generated URL for the requested results page
     * @param {function} [callback] - Callback to handle list of records
     *
     * @returns {Promise} Resolves to a list of records
     */
    /* jshint ignore:end */
    ChallengeListInstance.getPage = function getPage(targetUrl, callback) {
      var deferred = Q.defer();
  
      var promise = this._version._domain.twilio.request({method: 'GET', uri: targetUrl});
  
      promise = promise.then(function(payload) {
        deferred.resolve(new ChallengePage(this._version, payload, this._solution));
      }.bind(this));
  
      promise.catch(function(error) {
        deferred.reject(error);
      });
  
      if (_.isFunction(callback)) {
        deferred.promise.nodeify(callback);
      }
  
      return deferred.promise;
    };
  
    /* jshint ignore:start */
    /**
     * Constructs a challenge
     *
     * @function get
     * @memberof Twilio.Verify.V2.ServiceContext.EntityContext.ChallengeList#
     *
     * @param {string} sid - A string that uniquely identifies this Challenge.
     *
     * @returns {Twilio.Verify.V2.ServiceContext.EntityContext.ChallengeContext}
     */
    /* jshint ignore:end */
    ChallengeListInstance.get = function get(sid) {
      return new ChallengeContext(this._version, this._solution.serviceSid, this._solution.identity, sid);
    };
  
    /* jshint ignore:start */
    /**
     * Provide a user-friendly representation
     *
     * @function toJSON
     * @memberof Twilio.Verify.V2.ServiceContext.EntityContext.ChallengeList#
     *
     * @returns Object
     */
    /* jshint ignore:end */
    ChallengeListInstance.toJSON = function toJSON() {
      return this._solution;
    };
  
    ChallengeListInstance[util.inspect.custom] = function inspect(depth, options) {
      return util.inspect(this.toJSON(), options);
    };
  
    return ChallengeListInstance;
  };
  
  
  /* jshint ignore:start */
  /**
   * Initialize the ChallengePage
   *
   * PLEASE NOTE that this class contains beta products that are subject to change.
   * Use them with caution.
   *
   * @constructor Twilio.Verify.V2.ServiceContext.EntityContext.ChallengePage
   *
   * @param {V2} version - Version of the resource
   * @param {Response<string>} response - Response from the API
   * @param {ChallengeSolution} solution - Path solution
   *
   * @returns ChallengePage
   */
  /* jshint ignore:end */
  ChallengePage = function ChallengePage(version, response, solution) {
    // Path Solution
    this._solution = solution;
  
    Page.prototype.constructor.call(this, version, response, this._solution);
  };
  
  _.extend(ChallengePage.prototype, Page.prototype);
  ChallengePage.prototype.constructor = ChallengePage;
  
  /* jshint ignore:start */
  /**
   * Build an instance of ChallengeInstance
   *
   * @function getInstance
   * @memberof Twilio.Verify.V2.ServiceContext.EntityContext.ChallengePage#
   *
   * @param {ChallengePayload} payload - Payload response from the API
   *
   * @returns ChallengeInstance
   */
  /* jshint ignore:end */
  ChallengePage.prototype.getInstance = function getInstance(payload) {
    return new ChallengeInstance(
      this._version,
      payload,
      this._solution.serviceSid,
      this._solution.identity
    );
  };
  
  /* jshint ignore:start */
  /**
   * Provide a user-friendly representation
   *
   * @function toJSON
   * @memberof Twilio.Verify.V2.ServiceContext.EntityContext.ChallengePage#
   *
   * @returns Object
   */
  /* jshint ignore:end */
  ChallengePage.prototype.toJSON = function toJSON() {
    let clone = {};
    _.forOwn(this, function(value, key) {
      if (!_.startsWith(key, '_') && ! _.isFunction(value)) {
        clone[key] = value;
      }
    });
    return clone;
  };
  
  ChallengePage.prototype[util.inspect.custom] = function inspect(depth, options)
      {
    return util.inspect(this.toJSON(), options);
  };
  
  
  /* jshint ignore:start */
  /**
   * Initialize the ChallengeContext
   *
   * PLEASE NOTE that this class contains beta products that are subject to change.
   * Use them with caution.
   *
   * @constructor Twilio.Verify.V2.ServiceContext.EntityContext.ChallengeInstance
   *
   * @property {string} sid - A string that uniquely identifies this Challenge.
   * @property {string} accountSid - Account Sid.
   * @property {string} serviceSid - Service Sid.
   * @property {string} entitySid - Entity Sid.
   * @property {string} identity - Unique external identifier of the Entity
   * @property {string} factorSid - Factor Sid.
   * @property {Date} dateCreated - The date this Challenge was created
   * @property {Date} dateUpdated - The date this Challenge was updated
   * @property {Date} dateResponded - The date this Challenge was responded
   * @property {Date} expirationDate - The date-time when this Challenge expires
   * @property {challenge.challenge_statuses} status - The Status of this Challenge
   * @property {challenge.challenge_reasons} respondedReason -
   *          The Reason of this Challenge `status`
   * @property {object} details - Details about the Challenge.
   * @property {object} hiddenDetails - Hidden details about the Challenge
   * @property {object} metadata - Metadata of the challenge.
   * @property {challenge.factor_types} factorType -
   *          The Factor Type of this Challenge
   * @property {string} url - The URL of this resource.
   * @property {string} links - Nested resource URLs.
   *
   * @param {V2} version - Version of the resource
   * @param {ChallengePayload} payload - The instance payload
   * @param {sid} serviceSid - Service Sid.
   * @param {string} identity - Unique external identifier of the Entity
   * @param {sid} sid - A string that uniquely identifies this Challenge.
   */
  /* jshint ignore:end */
  ChallengeInstance = function ChallengeInstance(version, payload, serviceSid,
                                                  identity, sid) {
    this._version = version;
  
    // Marshaled Properties
    this.sid = payload.sid; // jshint ignore:line
    this.accountSid = payload.account_sid; // jshint ignore:line
    this.serviceSid = payload.service_sid; // jshint ignore:line
    this.entitySid = payload.entity_sid; // jshint ignore:line
    this.identity = payload.identity; // jshint ignore:line
    this.factorSid = payload.factor_sid; // jshint ignore:line
    this.dateCreated = deserialize.iso8601DateTime(payload.date_created); // jshint ignore:line
    this.dateUpdated = deserialize.iso8601DateTime(payload.date_updated); // jshint ignore:line
    this.dateResponded = deserialize.iso8601DateTime(payload.date_responded); // jshint ignore:line
    this.expirationDate = deserialize.iso8601DateTime(payload.expiration_date); // jshint ignore:line
    this.status = payload.status; // jshint ignore:line
    this.respondedReason = payload.responded_reason; // jshint ignore:line
    this.details = payload.details; // jshint ignore:line
    this.hiddenDetails = payload.hidden_details; // jshint ignore:line
    this.metadata = payload.metadata; // jshint ignore:line
    this.factorType = payload.factor_type; // jshint ignore:line
    this.url = payload.url; // jshint ignore:line
    this.links = payload.links; // jshint ignore:line
  
    // Context
    this._context = undefined;
    this._solution = {serviceSid: serviceSid, identity: identity, sid: sid || this.sid, };
  };
  
  Object.defineProperty(ChallengeInstance.prototype,
    '_proxy', {
      get: function() {
        if (!this._context) {
          this._context = new ChallengeContext(
            this._version,
            this._solution.serviceSid,
            this._solution.identity,
            this._solution.sid
          );
        }
  
        return this._context;
      }
  });
  
  /* jshint ignore:start */
  /**
   * fetch a ChallengeInstance
   *
   * @function fetch
   * @memberof Twilio.Verify.V2.ServiceContext.EntityContext.ChallengeInstance#
   *
   * @param {function} [callback] - Callback to handle processed record
   *
   * @returns {Promise} Resolves to processed ChallengeInstance
   */
  /* jshint ignore:end */
  ChallengeInstance.prototype.fetch = function fetch(callback) {
    return this._proxy.fetch(callback);
  };
  
  /* jshint ignore:start */
  /**
   * update a ChallengeInstance
   *
   * @function update
   * @memberof Twilio.Verify.V2.ServiceContext.EntityContext.ChallengeInstance#
   *
   * @param {object} [opts] - Options for request
   * @param {string} [opts.authPayload] - Optional payload to verify the Challenge
   * @param {object} [opts.metadata] - Metadata of the challenge.
   * @param {function} [callback] - Callback to handle processed record
   *
   * @returns {Promise} Resolves to processed ChallengeInstance
   */
  /* jshint ignore:end */
  ChallengeInstance.prototype.update = function update(opts, callback) {
    return this._proxy.update(opts, callback);
  };
  
  /* jshint ignore:start */
  /**
   * Access the notifications
   *
   * @function notifications
   * @memberof Twilio.Verify.V2.ServiceContext.EntityContext.ChallengeInstance#
   *
   * @returns {Twilio.Verify.V2.ServiceContext.EntityContext.ChallengeContext.NotificationList}
   */
  /* jshint ignore:end */
  ChallengeInstance.prototype.notifications = function notifications() {
    return this._proxy.notifications;
  };
  
  /* jshint ignore:start */
  /**
   * Provide a user-friendly representation
   *
   * @function toJSON
   * @memberof Twilio.Verify.V2.ServiceContext.EntityContext.ChallengeInstance#
   *
   * @returns Object
   */
  /* jshint ignore:end */
  ChallengeInstance.prototype.toJSON = function toJSON() {
    let clone = {};
    _.forOwn(this, function(value, key) {
      if (!_.startsWith(key, '_') && ! _.isFunction(value)) {
        clone[key] = value;
      }
    });
    return clone;
  };
  
  ChallengeInstance.prototype[util.inspect.custom] = function inspect(depth,
      options) {
    return util.inspect(this.toJSON(), options);
  };
  
  
  /* jshint ignore:start */
  /**
   * Initialize the ChallengeContext
   *
   * PLEASE NOTE that this class contains beta products that are subject to change.
   * Use them with caution.
   *
   * @constructor Twilio.Verify.V2.ServiceContext.EntityContext.ChallengeContext
   *
   * @property {Twilio.Verify.V2.ServiceContext.EntityContext.ChallengeContext.NotificationList} notifications -
   *          notifications resource
   *
   * @param {V2} version - Version of the resource
   * @param {sid} serviceSid - Service Sid.
   * @param {string} identity - Unique external identifier of the Entity
   * @param {sid} sid - A string that uniquely identifies this Challenge.
   */
  /* jshint ignore:end */
  ChallengeContext = function ChallengeContext(version, serviceSid, identity, sid)
                                                {
    this._version = version;
  
    // Path Solution
    this._solution = {serviceSid: serviceSid, identity: identity, sid: sid, };
    this._uri = `/Services/${serviceSid}/Entities/${identity}/Challenges/${sid}`;
  
    // Dependents
    this._notifications = undefined;
  };
  
  /* jshint ignore:start */
  /**
   * fetch a ChallengeInstance
   *
   * @function fetch
   * @memberof Twilio.Verify.V2.ServiceContext.EntityContext.ChallengeContext#
   *
   * @param {function} [callback] - Callback to handle processed record
   *
   * @returns {Promise} Resolves to processed ChallengeInstance
   */
  /* jshint ignore:end */
  ChallengeContext.prototype.fetch = function fetch(callback) {
    var deferred = Q.defer();
    var promise = this._version.fetch({uri: this._uri, method: 'GET'});
  
    promise = promise.then(function(payload) {
      deferred.resolve(new ChallengeInstance(
        this._version,
        payload,
        this._solution.serviceSid,
        this._solution.identity,
        this._solution.sid
      ));
    }.bind(this));
  
    promise.catch(function(error) {
      deferred.reject(error);
    });
  
    if (_.isFunction(callback)) {
      deferred.promise.nodeify(callback);
    }
  
    return deferred.promise;
  };
  
  /* jshint ignore:start */
  /**
   * update a ChallengeInstance
   *
   * @function update
   * @memberof Twilio.Verify.V2.ServiceContext.EntityContext.ChallengeContext#
   *
   * @param {object} [opts] - Options for request
   * @param {string} [opts.authPayload] - Optional payload to verify the Challenge
   * @param {object} [opts.metadata] - Metadata of the challenge.
   * @param {function} [callback] - Callback to handle processed record
   *
   * @returns {Promise} Resolves to processed ChallengeInstance
   */
  /* jshint ignore:end */
  ChallengeContext.prototype.update = function update(opts, callback) {
    if (_.isFunction(opts)) {
      callback = opts;
      opts = {};
    }
    opts = opts || {};
  
    var deferred = Q.defer();
    var data = values.of({
      'AuthPayload': _.get(opts, 'authPayload'),
      'Metadata': serialize.object(_.get(opts, 'metadata'))
    });
  
    var promise = this._version.update({uri: this._uri, method: 'POST', data: data});
  
    promise = promise.then(function(payload) {
      deferred.resolve(new ChallengeInstance(
        this._version,
        payload,
        this._solution.serviceSid,
        this._solution.identity,
        this._solution.sid
      ));
    }.bind(this));
  
    promise.catch(function(error) {
      deferred.reject(error);
    });
  
    if (_.isFunction(callback)) {
      deferred.promise.nodeify(callback);
    }
  
    return deferred.promise;
  };
  
  Object.defineProperty(ChallengeContext.prototype,
    'notifications', {
      get: function() {
        if (!this._notifications) {
          this._notifications = new NotificationList(
            this._version,
            this._solution.serviceSid,
            this._solution.identity,
            this._solution.sid
          );
        }
        return this._notifications;
      }
  });
  
  /* jshint ignore:start */
  /**
   * Provide a user-friendly representation
   *
   * @function toJSON
   * @memberof Twilio.Verify.V2.ServiceContext.EntityContext.ChallengeContext#
   *
   * @returns Object
   */
  /* jshint ignore:end */
  ChallengeContext.prototype.toJSON = function toJSON() {
    return this._solution;
  };
  
  ChallengeContext.prototype[util.inspect.custom] = function inspect(depth,
      options) {
    return util.inspect(this.toJSON(), options);
  };
  
  module.exports = {
    ChallengeList: ChallengeList,
    ChallengePage: ChallengePage,
    ChallengeInstance: ChallengeInstance,
    ChallengeContext: ChallengeContext
  };
  