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 DefaultsList = require('./assistant/defaults').DefaultsList;
  var DialogueList = require('./assistant/dialogue').DialogueList;
  var FieldTypeList = require('./assistant/fieldType').FieldTypeList;
  var ModelBuildList = require('./assistant/modelBuild').ModelBuildList;
  var Page = require('../../../base/Page');  /* jshint ignore:line */
  var QueryList = require('./assistant/query').QueryList;
  var StyleSheetList = require('./assistant/styleSheet').StyleSheetList;
  var TaskList = require('./assistant/task').TaskList;
  var WebhookList = require('./assistant/webhook').WebhookList;
  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 AssistantList;
  var AssistantPage;
  var AssistantInstance;
  var AssistantContext;
  
  /* jshint ignore:start */
  /**
   * Initialize the AssistantList
   *
   * PLEASE NOTE that this class contains preview products that are subject to
   * change. Use them with caution. If you currently do not have developer preview
   * access, please contact help@twilio.com.
   *
   * @constructor Twilio.Autopilot.V1.AssistantList
   *
   * @param {Twilio.Autopilot.V1} version - Version of the resource
   */
  /* jshint ignore:end */
  AssistantList = function AssistantList(version) {
    /* jshint ignore:start */
    /**
     * @function assistants
     * @memberof Twilio.Autopilot.V1#
     *
     * @param {string} sid - sid of instance
     *
     * @returns {Twilio.Autopilot.V1.AssistantContext}
     */
    /* jshint ignore:end */
    function AssistantListInstance(sid) {
      return AssistantListInstance.get(sid);
    }
  
    AssistantListInstance._version = version;
    // Path Solution
    AssistantListInstance._solution = {};
    AssistantListInstance._uri = `/Assistants`;
    /* jshint ignore:start */
    /**
     * Streams AssistantInstance 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.Autopilot.V1.AssistantList#
     *
     * @param {object} [opts] - Options for request
     * @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 */
    AssistantListInstance.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 ((limits.pageLimit && limits.pageLimit <= currentPage)) {
            onComplete();
          } else if (!done) {
            currentPage++;
            fetchNextPage(_.bind(page.nextPage, page));
          }
        });
  
        promise.catch(onComplete);
      }
  
      fetchNextPage(_.bind(this.page, this, _.merge(opts, limits)));
    };
  
    /* jshint ignore:start */
    /**
     * Lists AssistantInstance 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.Autopilot.V1.AssistantList#
     *
     * @param {object} [opts] - Options for request
     * @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 */
    AssistantListInstance.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 AssistantInstance 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.Autopilot.V1.AssistantList#
     *
     * @param {object} [opts] - Options for request
     * @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 */
    AssistantListInstance.page = function page(opts, callback) {
      if (_.isFunction(opts)) {
        callback = opts;
        opts = {};
      }
      opts = opts || {};
  
      var deferred = Q.defer();
      var data = values.of({
        '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 AssistantPage(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 AssistantInstance 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.Autopilot.V1.AssistantList#
     *
     * @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 */
    AssistantListInstance.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 AssistantPage(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 */
    /**
     * create a AssistantInstance
     *
     * @function create
     * @memberof Twilio.Autopilot.V1.AssistantList#
     *
     * @param {object} [opts] - Options for request
     * @param {string} [opts.friendlyName] - A string to describe the new resource
     * @param {boolean} [opts.logQueries] -
     *          Whether queries should be logged and kept after training
     * @param {string} [opts.uniqueName] -
     *          An application-defined string that uniquely identifies the new resource
     * @param {string} [opts.callbackUrl] - Reserved
     * @param {string} [opts.callbackEvents] - Reserved
     * @param {object} [opts.styleSheet] -
     *          A JSON string that defines the Assistant's style sheet
     * @param {object} [opts.defaults] -
     *          A JSON object that defines the Assistant's default tasks for various scenarios
     * @param {function} [callback] - Callback to handle processed record
     *
     * @returns {Promise} Resolves to processed AssistantInstance
     */
    /* jshint ignore:end */
    AssistantListInstance.create = function create(opts, callback) {
      if (_.isFunction(opts)) {
        callback = opts;
        opts = {};
      }
      opts = opts || {};
  
      var deferred = Q.defer();
      var data = values.of({
        'FriendlyName': _.get(opts, 'friendlyName'),
        'LogQueries': serialize.bool(_.get(opts, 'logQueries')),
        'UniqueName': _.get(opts, 'uniqueName'),
        'CallbackUrl': _.get(opts, 'callbackUrl'),
        'CallbackEvents': _.get(opts, 'callbackEvents'),
        'StyleSheet': serialize.object(_.get(opts, 'styleSheet')),
        'Defaults': serialize.object(_.get(opts, 'defaults'))
      });
  
      var promise = this._version.create({uri: this._uri, method: 'POST', data: data});
  
      promise = promise.then(function(payload) {
        deferred.resolve(new AssistantInstance(this._version, payload, 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 */
    /**
     * Constructs a assistant
     *
     * @function get
     * @memberof Twilio.Autopilot.V1.AssistantList#
     *
     * @param {string} sid - The unique string that identifies the resource
     *
     * @returns {Twilio.Autopilot.V1.AssistantContext}
     */
    /* jshint ignore:end */
    AssistantListInstance.get = function get(sid) {
      return new AssistantContext(this._version, sid);
    };
  
    /* jshint ignore:start */
    /**
     * Provide a user-friendly representation
     *
     * @function toJSON
     * @memberof Twilio.Autopilot.V1.AssistantList#
     *
     * @returns Object
     */
    /* jshint ignore:end */
    AssistantListInstance.toJSON = function toJSON() {
      return this._solution;
    };
  
    AssistantListInstance[util.inspect.custom] = function inspect(depth, options) {
      return util.inspect(this.toJSON(), options);
    };
  
    return AssistantListInstance;
  };
  
  
  /* jshint ignore:start */
  /**
   * Initialize the AssistantPage
   *
   * PLEASE NOTE that this class contains preview products that are subject to
   * change. Use them with caution. If you currently do not have developer preview
   * access, please contact help@twilio.com.
   *
   * @constructor Twilio.Autopilot.V1.AssistantPage
   *
   * @param {V1} version - Version of the resource
   * @param {Response<string>} response - Response from the API
   * @param {AssistantSolution} solution - Path solution
   *
   * @returns AssistantPage
   */
  /* jshint ignore:end */
  AssistantPage = function AssistantPage(version, response, solution) {
    // Path Solution
    this._solution = solution;
  
    Page.prototype.constructor.call(this, version, response, this._solution);
  };
  
  _.extend(AssistantPage.prototype, Page.prototype);
  AssistantPage.prototype.constructor = AssistantPage;
  
  /* jshint ignore:start */
  /**
   * Build an instance of AssistantInstance
   *
   * @function getInstance
   * @memberof Twilio.Autopilot.V1.AssistantPage#
   *
   * @param {AssistantPayload} payload - Payload response from the API
   *
   * @returns AssistantInstance
   */
  /* jshint ignore:end */
  AssistantPage.prototype.getInstance = function getInstance(payload) {
    return new AssistantInstance(this._version, payload);
  };
  
  /* jshint ignore:start */
  /**
   * Provide a user-friendly representation
   *
   * @function toJSON
   * @memberof Twilio.Autopilot.V1.AssistantPage#
   *
   * @returns Object
   */
  /* jshint ignore:end */
  AssistantPage.prototype.toJSON = function toJSON() {
    let clone = {};
    _.forOwn(this, function(value, key) {
      if (!_.startsWith(key, '_') && ! _.isFunction(value)) {
        clone[key] = value;
      }
    });
    return clone;
  };
  
  AssistantPage.prototype[util.inspect.custom] = function inspect(depth, options)
      {
    return util.inspect(this.toJSON(), options);
  };
  
  
  /* jshint ignore:start */
  /**
   * Initialize the AssistantContext
   *
   * PLEASE NOTE that this class contains preview products that are subject to
   * change. Use them with caution. If you currently do not have developer preview
   * access, please contact help@twilio.com.
   *
   * @constructor Twilio.Autopilot.V1.AssistantInstance
   *
   * @property {string} accountSid - The SID of the Account that created the resource
   * @property {Date} dateCreated -
   *          The RFC 2822 date and time in GMT when the resource was created
   * @property {Date} dateUpdated -
   *          The RFC 2822 date and time in GMT when the resource was last updated
   * @property {string} friendlyName -
   *          The string that you assigned to describe the resource
   * @property {string} latestModelBuildSid - Reserved
   * @property {string} links -
   *          A list of the URLs of the Assistant's related resources
   * @property {boolean} logQueries -
   *          Whether queries should be logged and kept after training
   * @property {string} developmentStage -
   *          A string describing the state of the assistant.
   * @property {boolean} needsModelBuild - Whether model needs to be rebuilt
   * @property {string} sid - The unique string that identifies the resource
   * @property {string} uniqueName -
   *          An application-defined string that uniquely identifies the resource
   * @property {string} url - The absolute URL of the Assistant resource
   * @property {string} callbackUrl - Reserved
   * @property {string} callbackEvents - Reserved
   *
   * @param {V1} version - Version of the resource
   * @param {AssistantPayload} payload - The instance payload
   * @param {sid_like} sid - The unique string that identifies the resource
   */
  /* jshint ignore:end */
  AssistantInstance = function AssistantInstance(version, payload, sid) {
    this._version = version;
  
    // Marshaled Properties
    this.accountSid = payload.account_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.friendlyName = payload.friendly_name; // jshint ignore:line
    this.latestModelBuildSid = payload.latest_model_build_sid; // jshint ignore:line
    this.links = payload.links; // jshint ignore:line
    this.logQueries = payload.log_queries; // jshint ignore:line
    this.developmentStage = payload.development_stage; // jshint ignore:line
    this.needsModelBuild = payload.needs_model_build; // jshint ignore:line
    this.sid = payload.sid; // jshint ignore:line
    this.uniqueName = payload.unique_name; // jshint ignore:line
    this.url = payload.url; // jshint ignore:line
    this.callbackUrl = payload.callback_url; // jshint ignore:line
    this.callbackEvents = payload.callback_events; // jshint ignore:line
  
    // Context
    this._context = undefined;
    this._solution = {sid: sid || this.sid, };
  };
  
  Object.defineProperty(AssistantInstance.prototype,
    '_proxy', {
      get: function() {
        if (!this._context) {
          this._context = new AssistantContext(this._version, this._solution.sid);
        }
  
        return this._context;
      }
  });
  
  /* jshint ignore:start */
  /**
   * fetch a AssistantInstance
   *
   * @function fetch
   * @memberof Twilio.Autopilot.V1.AssistantInstance#
   *
   * @param {function} [callback] - Callback to handle processed record
   *
   * @returns {Promise} Resolves to processed AssistantInstance
   */
  /* jshint ignore:end */
  AssistantInstance.prototype.fetch = function fetch(callback) {
    return this._proxy.fetch(callback);
  };
  
  /* jshint ignore:start */
  /**
   * update a AssistantInstance
   *
   * @function update
   * @memberof Twilio.Autopilot.V1.AssistantInstance#
   *
   * @param {object} [opts] - Options for request
   * @param {string} [opts.friendlyName] - A string to describe the resource
   * @param {boolean} [opts.logQueries] -
   *          Whether queries should be logged and kept after training
   * @param {string} [opts.uniqueName] -
   *          An application-defined string that uniquely identifies the resource
   * @param {string} [opts.callbackUrl] - Reserved
   * @param {string} [opts.callbackEvents] - Reserved
   * @param {object} [opts.styleSheet] -
   *          A JSON string that defines the Assistant's style sheet
   * @param {object} [opts.defaults] -
   *          A JSON object that defines the Assistant's {@link https://www.twilio.com/docs/autopilot/api/assistant/defaults|default tasks} for various scenarios
   * @param {string} [opts.developmentStage] -
   *          A string describing the state of the assistant.
   * @param {function} [callback] - Callback to handle processed record
   *
   * @returns {Promise} Resolves to processed AssistantInstance
   */
  /* jshint ignore:end */
  AssistantInstance.prototype.update = function update(opts, callback) {
    return this._proxy.update(opts, callback);
  };
  
  /* jshint ignore:start */
  /**
   * remove a AssistantInstance
   *
   * @function remove
   * @memberof Twilio.Autopilot.V1.AssistantInstance#
   *
   * @param {function} [callback] - Callback to handle processed record
   *
   * @returns {Promise} Resolves to processed AssistantInstance
   */
  /* jshint ignore:end */
  AssistantInstance.prototype.remove = function remove(callback) {
    return this._proxy.remove(callback);
  };
  
  /* jshint ignore:start */
  /**
   * Access the fieldTypes
   *
   * @function fieldTypes
   * @memberof Twilio.Autopilot.V1.AssistantInstance#
   *
   * @returns {Twilio.Autopilot.V1.AssistantContext.FieldTypeList}
   */
  /* jshint ignore:end */
  AssistantInstance.prototype.fieldTypes = function fieldTypes() {
    return this._proxy.fieldTypes;
  };
  
  /* jshint ignore:start */
  /**
   * Access the tasks
   *
   * @function tasks
   * @memberof Twilio.Autopilot.V1.AssistantInstance#
   *
   * @returns {Twilio.Autopilot.V1.AssistantContext.TaskList}
   */
  /* jshint ignore:end */
  AssistantInstance.prototype.tasks = function tasks() {
    return this._proxy.tasks;
  };
  
  /* jshint ignore:start */
  /**
   * Access the modelBuilds
   *
   * @function modelBuilds
   * @memberof Twilio.Autopilot.V1.AssistantInstance#
   *
   * @returns {Twilio.Autopilot.V1.AssistantContext.ModelBuildList}
   */
  /* jshint ignore:end */
  AssistantInstance.prototype.modelBuilds = function modelBuilds() {
    return this._proxy.modelBuilds;
  };
  
  /* jshint ignore:start */
  /**
   * Access the queries
   *
   * @function queries
   * @memberof Twilio.Autopilot.V1.AssistantInstance#
   *
   * @returns {Twilio.Autopilot.V1.AssistantContext.QueryList}
   */
  /* jshint ignore:end */
  AssistantInstance.prototype.queries = function queries() {
    return this._proxy.queries;
  };
  
  /* jshint ignore:start */
  /**
   * Access the styleSheet
   *
   * @function styleSheet
   * @memberof Twilio.Autopilot.V1.AssistantInstance#
   *
   * @returns {Twilio.Autopilot.V1.AssistantContext.StyleSheetList}
   */
  /* jshint ignore:end */
  AssistantInstance.prototype.styleSheet = function styleSheet() {
    return this._proxy.styleSheet;
  };
  
  /* jshint ignore:start */
  /**
   * Access the defaults
   *
   * @function defaults
   * @memberof Twilio.Autopilot.V1.AssistantInstance#
   *
   * @returns {Twilio.Autopilot.V1.AssistantContext.DefaultsList}
   */
  /* jshint ignore:end */
  AssistantInstance.prototype.defaults = function defaults() {
    return this._proxy.defaults;
  };
  
  /* jshint ignore:start */
  /**
   * Access the dialogues
   *
   * @function dialogues
   * @memberof Twilio.Autopilot.V1.AssistantInstance#
   *
   * @returns {Twilio.Autopilot.V1.AssistantContext.DialogueList}
   */
  /* jshint ignore:end */
  AssistantInstance.prototype.dialogues = function dialogues() {
    return this._proxy.dialogues;
  };
  
  /* jshint ignore:start */
  /**
   * Access the webhooks
   *
   * @function webhooks
   * @memberof Twilio.Autopilot.V1.AssistantInstance#
   *
   * @returns {Twilio.Autopilot.V1.AssistantContext.WebhookList}
   */
  /* jshint ignore:end */
  AssistantInstance.prototype.webhooks = function webhooks() {
    return this._proxy.webhooks;
  };
  
  /* jshint ignore:start */
  /**
   * Provide a user-friendly representation
   *
   * @function toJSON
   * @memberof Twilio.Autopilot.V1.AssistantInstance#
   *
   * @returns Object
   */
  /* jshint ignore:end */
  AssistantInstance.prototype.toJSON = function toJSON() {
    let clone = {};
    _.forOwn(this, function(value, key) {
      if (!_.startsWith(key, '_') && ! _.isFunction(value)) {
        clone[key] = value;
      }
    });
    return clone;
  };
  
  AssistantInstance.prototype[util.inspect.custom] = function inspect(depth,
      options) {
    return util.inspect(this.toJSON(), options);
  };
  
  
  /* jshint ignore:start */
  /**
   * Initialize the AssistantContext
   *
   * PLEASE NOTE that this class contains preview products that are subject to
   * change. Use them with caution. If you currently do not have developer preview
   * access, please contact help@twilio.com.
   *
   * @constructor Twilio.Autopilot.V1.AssistantContext
   *
   * @property {Twilio.Autopilot.V1.AssistantContext.FieldTypeList} fieldTypes -
   *          fieldTypes resource
   * @property {Twilio.Autopilot.V1.AssistantContext.TaskList} tasks - tasks resource
   * @property {Twilio.Autopilot.V1.AssistantContext.ModelBuildList} modelBuilds -
   *          modelBuilds resource
   * @property {Twilio.Autopilot.V1.AssistantContext.QueryList} queries -
   *          queries resource
   * @property {Twilio.Autopilot.V1.AssistantContext.StyleSheetList} styleSheet -
   *          styleSheet resource
   * @property {Twilio.Autopilot.V1.AssistantContext.DefaultsList} defaults -
   *          defaults resource
   * @property {Twilio.Autopilot.V1.AssistantContext.DialogueList} dialogues -
   *          dialogues resource
   * @property {Twilio.Autopilot.V1.AssistantContext.WebhookList} webhooks -
   *          webhooks resource
   *
   * @param {V1} version - Version of the resource
   * @param {sid_like} sid - The unique string that identifies the resource
   */
  /* jshint ignore:end */
  AssistantContext = function AssistantContext(version, sid) {
    this._version = version;
  
    // Path Solution
    this._solution = {sid: sid, };
    this._uri = `/Assistants/${sid}`;
  
    // Dependents
    this._fieldTypes = undefined;
    this._tasks = undefined;
    this._modelBuilds = undefined;
    this._queries = undefined;
    this._styleSheet = undefined;
    this._defaults = undefined;
    this._dialogues = undefined;
    this._webhooks = undefined;
  };
  
  /* jshint ignore:start */
  /**
   * fetch a AssistantInstance
   *
   * @function fetch
   * @memberof Twilio.Autopilot.V1.AssistantContext#
   *
   * @param {function} [callback] - Callback to handle processed record
   *
   * @returns {Promise} Resolves to processed AssistantInstance
   */
  /* jshint ignore:end */
  AssistantContext.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 AssistantInstance(this._version, payload, 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 AssistantInstance
   *
   * @function update
   * @memberof Twilio.Autopilot.V1.AssistantContext#
   *
   * @param {object} [opts] - Options for request
   * @param {string} [opts.friendlyName] - A string to describe the resource
   * @param {boolean} [opts.logQueries] -
   *          Whether queries should be logged and kept after training
   * @param {string} [opts.uniqueName] -
   *          An application-defined string that uniquely identifies the resource
   * @param {string} [opts.callbackUrl] - Reserved
   * @param {string} [opts.callbackEvents] - Reserved
   * @param {object} [opts.styleSheet] -
   *          A JSON string that defines the Assistant's style sheet
   * @param {object} [opts.defaults] -
   *          A JSON object that defines the Assistant's {@link https://www.twilio.com/docs/autopilot/api/assistant/defaults|default tasks} for various scenarios
   * @param {string} [opts.developmentStage] -
   *          A string describing the state of the assistant.
   * @param {function} [callback] - Callback to handle processed record
   *
   * @returns {Promise} Resolves to processed AssistantInstance
   */
  /* jshint ignore:end */
  AssistantContext.prototype.update = function update(opts, callback) {
    if (_.isFunction(opts)) {
      callback = opts;
      opts = {};
    }
    opts = opts || {};
  
    var deferred = Q.defer();
    var data = values.of({
      'FriendlyName': _.get(opts, 'friendlyName'),
      'LogQueries': serialize.bool(_.get(opts, 'logQueries')),
      'UniqueName': _.get(opts, 'uniqueName'),
      'CallbackUrl': _.get(opts, 'callbackUrl'),
      'CallbackEvents': _.get(opts, 'callbackEvents'),
      'StyleSheet': serialize.object(_.get(opts, 'styleSheet')),
      'Defaults': serialize.object(_.get(opts, 'defaults')),
      'DevelopmentStage': _.get(opts, 'developmentStage')
    });
  
    var promise = this._version.update({uri: this._uri, method: 'POST', data: data});
  
    promise = promise.then(function(payload) {
      deferred.resolve(new AssistantInstance(this._version, payload, 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 */
  /**
   * remove a AssistantInstance
   *
   * @function remove
   * @memberof Twilio.Autopilot.V1.AssistantContext#
   *
   * @param {function} [callback] - Callback to handle processed record
   *
   * @returns {Promise} Resolves to processed AssistantInstance
   */
  /* jshint ignore:end */
  AssistantContext.prototype.remove = function remove(callback) {
    var deferred = Q.defer();
    var promise = this._version.remove({uri: this._uri, method: 'DELETE'});
  
    promise = promise.then(function(payload) {
      deferred.resolve(payload);
    }.bind(this));
  
    promise.catch(function(error) {
      deferred.reject(error);
    });
  
    if (_.isFunction(callback)) {
      deferred.promise.nodeify(callback);
    }
  
    return deferred.promise;
  };
  
  Object.defineProperty(AssistantContext.prototype,
    'fieldTypes', {
      get: function() {
        if (!this._fieldTypes) {
          this._fieldTypes = new FieldTypeList(this._version, this._solution.sid);
        }
        return this._fieldTypes;
      }
  });
  
  Object.defineProperty(AssistantContext.prototype,
    'tasks', {
      get: function() {
        if (!this._tasks) {
          this._tasks = new TaskList(this._version, this._solution.sid);
        }
        return this._tasks;
      }
  });
  
  Object.defineProperty(AssistantContext.prototype,
    'modelBuilds', {
      get: function() {
        if (!this._modelBuilds) {
          this._modelBuilds = new ModelBuildList(this._version, this._solution.sid);
        }
        return this._modelBuilds;
      }
  });
  
  Object.defineProperty(AssistantContext.prototype,
    'queries', {
      get: function() {
        if (!this._queries) {
          this._queries = new QueryList(this._version, this._solution.sid);
        }
        return this._queries;
      }
  });
  
  Object.defineProperty(AssistantContext.prototype,
    'styleSheet', {
      get: function() {
        if (!this._styleSheet) {
          this._styleSheet = new StyleSheetList(this._version, this._solution.sid);
        }
        return this._styleSheet;
      }
  });
  
  Object.defineProperty(AssistantContext.prototype,
    'defaults', {
      get: function() {
        if (!this._defaults) {
          this._defaults = new DefaultsList(this._version, this._solution.sid);
        }
        return this._defaults;
      }
  });
  
  Object.defineProperty(AssistantContext.prototype,
    'dialogues', {
      get: function() {
        if (!this._dialogues) {
          this._dialogues = new DialogueList(this._version, this._solution.sid);
        }
        return this._dialogues;
      }
  });
  
  Object.defineProperty(AssistantContext.prototype,
    'webhooks', {
      get: function() {
        if (!this._webhooks) {
          this._webhooks = new WebhookList(this._version, this._solution.sid);
        }
        return this._webhooks;
      }
  });
  
  /* jshint ignore:start */
  /**
   * Provide a user-friendly representation
   *
   * @function toJSON
   * @memberof Twilio.Autopilot.V1.AssistantContext#
   *
   * @returns Object
   */
  /* jshint ignore:end */
  AssistantContext.prototype.toJSON = function toJSON() {
    return this._solution;
  };
  
  AssistantContext.prototype[util.inspect.custom] = function inspect(depth,
      options) {
    return util.inspect(this.toJSON(), options);
  };
  
  module.exports = {
    AssistantList: AssistantList,
    AssistantPage: AssistantPage,
    AssistantInstance: AssistantInstance,
    AssistantContext: AssistantContext
  };
  