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 CredentialListList = require('./trunk/credentialList').CredentialListList;
  var IpAccessControlListList = require(
      './trunk/ipAccessControlList').IpAccessControlListList;
  var OriginationUrlList = require('./trunk/originationUrl').OriginationUrlList;
  var Page = require('../../../base/Page');  /* jshint ignore:line */
  var PhoneNumberList = require('./trunk/phoneNumber').PhoneNumberList;
  var TerminatingSipDomainList = require(
      './trunk/terminatingSipDomain').TerminatingSipDomainList;
  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 TrunkList;
  var TrunkPage;
  var TrunkInstance;
  var TrunkContext;
  
  /* jshint ignore:start */
  /**
   * Initialize the TrunkList
   *
   * @constructor Twilio.Trunking.V1.TrunkList
   *
   * @param {Twilio.Trunking.V1} version - Version of the resource
   */
  /* jshint ignore:end */
  TrunkList = function TrunkList(version) {
    /* jshint ignore:start */
    /**
     * @function trunks
     * @memberof Twilio.Trunking.V1#
     *
     * @param {string} sid - sid of instance
     *
     * @returns {Twilio.Trunking.V1.TrunkContext}
     */
    /* jshint ignore:end */
    function TrunkListInstance(sid) {
      return TrunkListInstance.get(sid);
    }
  
    TrunkListInstance._version = version;
    // Path Solution
    TrunkListInstance._solution = {};
    TrunkListInstance._uri = _.template(
      '/Trunks' // jshint ignore:line
    )(TrunkListInstance._solution);
    /* jshint ignore:start */
    /**
     * create a TrunkInstance
     *
     * @function create
     * @memberof Twilio.Trunking.V1.TrunkList#
     *
     * @param {object} [opts] - Options for request
     * @param {string} [opts.friendlyName] - A human-readable name for the Trunk.
     * @param {string} [opts.domainName] -
     *          The unique address you reserve on Twilio to which you route your SIP traffic.
     * @param {string} [opts.disasterRecoveryUrl] -
     *          The HTTP URL that Twilio will request if an error occurs while sending SIP traffic towards your configured Origination URL.
     * @param {string} [opts.disasterRecoveryMethod] -
     *          The HTTP method Twilio will use when requesting the DisasterRecoveryUrl.
     * @param {trunk.recording_setting} [opts.recording] -
     *          The recording settings for this trunk.
     * @param {boolean} [opts.secure] - The Secure Trunking  settings for this trunk.
     * @param {boolean} [opts.cnamLookupEnabled] -
     *          The Caller ID Name (CNAM) lookup setting for this trunk.
     * @param {function} [callback] - Callback to handle processed record
     *
     * @returns {Promise} Resolves to processed TrunkInstance
     */
    /* jshint ignore:end */
    TrunkListInstance.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'),
        'DomainName': _.get(opts, 'domainName'),
        'DisasterRecoveryUrl': _.get(opts, 'disasterRecoveryUrl'),
        'DisasterRecoveryMethod': _.get(opts, 'disasterRecoveryMethod'),
        'Recording': _.get(opts, 'recording'),
        'Secure': serialize.bool(_.get(opts, 'secure')),
        'CnamLookupEnabled': serialize.bool(_.get(opts, 'cnamLookupEnabled'))
      });
  
      var promise = this._version.create({uri: this._uri, method: 'POST', data: data});
  
      promise = promise.then(function(payload) {
        deferred.resolve(new TrunkInstance(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 */
    /**
     * Streams TrunkInstance 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.Trunking.V1.TrunkList#
     *
     * @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 */
    TrunkListInstance.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 TrunkInstance 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.Trunking.V1.TrunkList#
     *
     * @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 */
    TrunkListInstance.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 TrunkInstance 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.Trunking.V1.TrunkList#
     *
     * @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 */
    TrunkListInstance.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 TrunkPage(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 TrunkInstance 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.Trunking.V1.TrunkList#
     *
     * @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 */
    TrunkListInstance.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 TrunkPage(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 trunk
     *
     * @function get
     * @memberof Twilio.Trunking.V1.TrunkList#
     *
     * @param {string} sid -
     *          A 34 character string that uniquely identifies the SIP Trunk in Twilio.
     *
     * @returns {Twilio.Trunking.V1.TrunkContext}
     */
    /* jshint ignore:end */
    TrunkListInstance.get = function get(sid) {
      return new TrunkContext(this._version, sid);
    };
  
    /* jshint ignore:start */
    /**
     * Provide a user-friendly representation
     *
     * @function toJSON
     * @memberof Twilio.Trunking.V1.TrunkList#
     *
     * @returns Object
     */
    /* jshint ignore:end */
    TrunkListInstance.toJSON = function toJSON() {
      return this._solution;
    };
  
    TrunkListInstance[util.inspect.custom] = function inspect(depth, options) {
      return util.inspect(this.toJSON(), options);
    };
  
    return TrunkListInstance;
  };
  
  
  /* jshint ignore:start */
  /**
   * Initialize the TrunkPage
   *
   * @constructor Twilio.Trunking.V1.TrunkPage
   *
   * @param {V1} version - Version of the resource
   * @param {Response<string>} response - Response from the API
   * @param {TrunkSolution} solution - Path solution
   *
   * @returns TrunkPage
   */
  /* jshint ignore:end */
  TrunkPage = function TrunkPage(version, response, solution) {
    // Path Solution
    this._solution = solution;
  
    Page.prototype.constructor.call(this, version, response, this._solution);
  };
  
  _.extend(TrunkPage.prototype, Page.prototype);
  TrunkPage.prototype.constructor = TrunkPage;
  
  /* jshint ignore:start */
  /**
   * Build an instance of TrunkInstance
   *
   * @function getInstance
   * @memberof Twilio.Trunking.V1.TrunkPage#
   *
   * @param {TrunkPayload} payload - Payload response from the API
   *
   * @returns TrunkInstance
   */
  /* jshint ignore:end */
  TrunkPage.prototype.getInstance = function getInstance(payload) {
    return new TrunkInstance(this._version, payload);
  };
  
  /* jshint ignore:start */
  /**
   * Provide a user-friendly representation
   *
   * @function toJSON
   * @memberof Twilio.Trunking.V1.TrunkPage#
   *
   * @returns Object
   */
  /* jshint ignore:end */
  TrunkPage.prototype.toJSON = function toJSON() {
    let clone = {};
    _.forOwn(this, function(value, key) {
      if (!_.startsWith(key, '_') && ! _.isFunction(value)) {
        clone[key] = value;
      }
    });
    return clone;
  };
  
  TrunkPage.prototype[util.inspect.custom] = function inspect(depth, options) {
    return util.inspect(this.toJSON(), options);
  };
  
  
  /* jshint ignore:start */
  /**
   * Initialize the TrunkContext
   *
   * @constructor Twilio.Trunking.V1.TrunkInstance
   *
   * @property {string} accountSid -
   *          The unique ID of the Account that owns this Trunk.
   * @property {string} domainName -
   *          The unique address you reserve on Twilio to which you route your SIP traffic.
   * @property {string} disasterRecoveryMethod -
   *          The HTTP method Twilio will use when requesting the DisasterRecoveryUrl.
   * @property {string} disasterRecoveryUrl -
   *          The HTTP URL that Twilio will request if an error occurs while sending SIP traffic towards your configured Origination URL.
   * @property {string} friendlyName - A human-readable name for the Trunk.
   * @property {boolean} secure - The Secure Trunking  settings for this trunk.
   * @property {string} recording - The recording settings for this trunk.
   * @property {boolean} cnamLookupEnabled -
   *          The Caller ID Name (CNAM) lookup setting for this trunk.
   * @property {string} authType -
   *          The types of authentication you have mapped to your domain.
   * @property {string} authTypeSet - The auth_type_set
   * @property {Date} dateCreated - The date this Activity was created.
   * @property {Date} dateUpdated - The date this Activity was updated.
   * @property {string} sid -
   *          A 34 character string that uniquely identifies the SIP Trunk in Twilio.
   * @property {string} url -
   *          The URL for this resource, relative to https://trunking.
   * @property {string} links - The links
   *
   * @param {V1} version - Version of the resource
   * @param {TrunkPayload} payload - The instance payload
   * @param {sid} sid -
   *          A 34 character string that uniquely identifies the SIP Trunk in Twilio.
   */
  /* jshint ignore:end */
  TrunkInstance = function TrunkInstance(version, payload, sid) {
    this._version = version;
  
    // Marshaled Properties
    this.accountSid = payload.account_sid; // jshint ignore:line
    this.domainName = payload.domain_name; // jshint ignore:line
    this.disasterRecoveryMethod = payload.disaster_recovery_method; // jshint ignore:line
    this.disasterRecoveryUrl = payload.disaster_recovery_url; // jshint ignore:line
    this.friendlyName = payload.friendly_name; // jshint ignore:line
    this.secure = payload.secure; // jshint ignore:line
    this.recording = payload.recording; // jshint ignore:line
    this.cnamLookupEnabled = payload.cnam_lookup_enabled; // jshint ignore:line
    this.authType = payload.auth_type; // jshint ignore:line
    this.authTypeSet = payload.auth_type_set; // jshint ignore:line
    this.dateCreated = deserialize.iso8601DateTime(payload.date_created); // jshint ignore:line
    this.dateUpdated = deserialize.iso8601DateTime(payload.date_updated); // jshint ignore:line
    this.sid = payload.sid; // jshint ignore:line
    this.url = payload.url; // jshint ignore:line
    this.links = payload.links; // jshint ignore:line
  
    // Context
    this._context = undefined;
    this._solution = {sid: sid || this.sid, };
  };
  
  Object.defineProperty(TrunkInstance.prototype,
    '_proxy', {
    get: function() {
      if (!this._context) {
        this._context = new TrunkContext(this._version, this._solution.sid);
      }
  
      return this._context;
    }
  });
  
  /* jshint ignore:start */
  /**
   * fetch a TrunkInstance
   *
   * @function fetch
   * @memberof Twilio.Trunking.V1.TrunkInstance#
   *
   * @param {function} [callback] - Callback to handle processed record
   *
   * @returns {Promise} Resolves to processed TrunkInstance
   */
  /* jshint ignore:end */
  TrunkInstance.prototype.fetch = function fetch(callback) {
    return this._proxy.fetch(callback);
  };
  
  /* jshint ignore:start */
  /**
   * remove a TrunkInstance
   *
   * @function remove
   * @memberof Twilio.Trunking.V1.TrunkInstance#
   *
   * @param {function} [callback] - Callback to handle processed record
   *
   * @returns {Promise} Resolves to processed TrunkInstance
   */
  /* jshint ignore:end */
  TrunkInstance.prototype.remove = function remove(callback) {
    return this._proxy.remove(callback);
  };
  
  /* jshint ignore:start */
  /**
   * update a TrunkInstance
   *
   * @function update
   * @memberof Twilio.Trunking.V1.TrunkInstance#
   *
   * @param {object} [opts] - Options for request
   * @param {string} [opts.friendlyName] - A human-readable name for the Trunk.
   * @param {string} [opts.domainName] -
   *          The unique address you reserve on Twilio to which you route your SIP traffic.
   * @param {string} [opts.disasterRecoveryUrl] -
   *          The HTTP URL that Twilio will request if an error occurs while sending SIP traffic towards your configured Origination URL.
   * @param {string} [opts.disasterRecoveryMethod] -
   *          The HTTP method Twilio will use when requesting the DisasterRecoveryUrl.
   * @param {trunk.recording_setting} [opts.recording] -
   *          The recording settings for this trunk.
   * @param {boolean} [opts.secure] - The Secure Trunking  settings for this trunk.
   * @param {boolean} [opts.cnamLookupEnabled] -
   *          The Caller ID Name (CNAM) lookup setting for this trunk.
   * @param {function} [callback] - Callback to handle processed record
   *
   * @returns {Promise} Resolves to processed TrunkInstance
   */
  /* jshint ignore:end */
  TrunkInstance.prototype.update = function update(opts, callback) {
    return this._proxy.update(opts, callback);
  };
  
  /* jshint ignore:start */
  /**
   * Access the originationUrls
   *
   * @function originationUrls
   * @memberof Twilio.Trunking.V1.TrunkInstance#
   *
   * @returns {Twilio.Trunking.V1.TrunkContext.OriginationUrlList}
   */
  /* jshint ignore:end */
  TrunkInstance.prototype.originationUrls = function originationUrls() {
    return this._proxy.originationUrls;
  };
  
  /* jshint ignore:start */
  /**
   * Access the credentialsLists
   *
   * @function credentialsLists
   * @memberof Twilio.Trunking.V1.TrunkInstance#
   *
   * @returns {Twilio.Trunking.V1.TrunkContext.CredentialListList}
   */
  /* jshint ignore:end */
  TrunkInstance.prototype.credentialsLists = function credentialsLists() {
    return this._proxy.credentialsLists;
  };
  
  /* jshint ignore:start */
  /**
   * Access the ipAccessControlLists
   *
   * @function ipAccessControlLists
   * @memberof Twilio.Trunking.V1.TrunkInstance#
   *
   * @returns {Twilio.Trunking.V1.TrunkContext.IpAccessControlListList}
   */
  /* jshint ignore:end */
  TrunkInstance.prototype.ipAccessControlLists = function ipAccessControlLists() {
    return this._proxy.ipAccessControlLists;
  };
  
  /* jshint ignore:start */
  /**
   * Access the phoneNumbers
   *
   * @function phoneNumbers
   * @memberof Twilio.Trunking.V1.TrunkInstance#
   *
   * @returns {Twilio.Trunking.V1.TrunkContext.PhoneNumberList}
   */
  /* jshint ignore:end */
  TrunkInstance.prototype.phoneNumbers = function phoneNumbers() {
    return this._proxy.phoneNumbers;
  };
  
  /* jshint ignore:start */
  /**
   * Access the terminatingSipDomains
   *
   * @function terminatingSipDomains
   * @memberof Twilio.Trunking.V1.TrunkInstance#
   *
   * @returns {Twilio.Trunking.V1.TrunkContext.TerminatingSipDomainList}
   */
  /* jshint ignore:end */
  TrunkInstance.prototype.terminatingSipDomains = function terminatingSipDomains()
      {
    return this._proxy.terminatingSipDomains;
  };
  
  /* jshint ignore:start */
  /**
   * Provide a user-friendly representation
   *
   * @function toJSON
   * @memberof Twilio.Trunking.V1.TrunkInstance#
   *
   * @returns Object
   */
  /* jshint ignore:end */
  TrunkInstance.prototype.toJSON = function toJSON() {
    let clone = {};
    _.forOwn(this, function(value, key) {
      if (!_.startsWith(key, '_') && ! _.isFunction(value)) {
        clone[key] = value;
      }
    });
    return clone;
  };
  
  TrunkInstance.prototype[util.inspect.custom] = function inspect(depth, options)
      {
    return util.inspect(this.toJSON(), options);
  };
  
  
  /* jshint ignore:start */
  /**
   * Initialize the TrunkContext
   *
   * @constructor Twilio.Trunking.V1.TrunkContext
   *
   * @property {Twilio.Trunking.V1.TrunkContext.OriginationUrlList} originationUrls -
   *          originationUrls resource
   * @property {Twilio.Trunking.V1.TrunkContext.CredentialListList} credentialsLists -
   *          credentialsLists resource
   * @property {Twilio.Trunking.V1.TrunkContext.IpAccessControlListList} ipAccessControlLists -
   *          ipAccessControlLists resource
   * @property {Twilio.Trunking.V1.TrunkContext.PhoneNumberList} phoneNumbers -
   *          phoneNumbers resource
   * @property {Twilio.Trunking.V1.TrunkContext.TerminatingSipDomainList} terminatingSipDomains -
   *          terminatingSipDomains resource
   *
   * @param {V1} version - Version of the resource
   * @param {sid} sid -
   *          A 34 character string that uniquely identifies the SIP Trunk in Twilio.
   */
  /* jshint ignore:end */
  TrunkContext = function TrunkContext(version, sid) {
    this._version = version;
  
    // Path Solution
    this._solution = {sid: sid, };
    this._uri = _.template(
      '/Trunks/<%= sid %>' // jshint ignore:line
    )(this._solution);
  
    // Dependents
    this._originationUrls = undefined;
    this._credentialsLists = undefined;
    this._ipAccessControlLists = undefined;
    this._phoneNumbers = undefined;
    this._terminatingSipDomains = undefined;
  };
  
  /* jshint ignore:start */
  /**
   * fetch a TrunkInstance
   *
   * @function fetch
   * @memberof Twilio.Trunking.V1.TrunkContext#
   *
   * @param {function} [callback] - Callback to handle processed record
   *
   * @returns {Promise} Resolves to processed TrunkInstance
   */
  /* jshint ignore:end */
  TrunkContext.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 TrunkInstance(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 TrunkInstance
   *
   * @function remove
   * @memberof Twilio.Trunking.V1.TrunkContext#
   *
   * @param {function} [callback] - Callback to handle processed record
   *
   * @returns {Promise} Resolves to processed TrunkInstance
   */
  /* jshint ignore:end */
  TrunkContext.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;
  };
  
  /* jshint ignore:start */
  /**
   * update a TrunkInstance
   *
   * @function update
   * @memberof Twilio.Trunking.V1.TrunkContext#
   *
   * @param {object} [opts] - Options for request
   * @param {string} [opts.friendlyName] - A human-readable name for the Trunk.
   * @param {string} [opts.domainName] -
   *          The unique address you reserve on Twilio to which you route your SIP traffic.
   * @param {string} [opts.disasterRecoveryUrl] -
   *          The HTTP URL that Twilio will request if an error occurs while sending SIP traffic towards your configured Origination URL.
   * @param {string} [opts.disasterRecoveryMethod] -
   *          The HTTP method Twilio will use when requesting the DisasterRecoveryUrl.
   * @param {trunk.recording_setting} [opts.recording] -
   *          The recording settings for this trunk.
   * @param {boolean} [opts.secure] - The Secure Trunking  settings for this trunk.
   * @param {boolean} [opts.cnamLookupEnabled] -
   *          The Caller ID Name (CNAM) lookup setting for this trunk.
   * @param {function} [callback] - Callback to handle processed record
   *
   * @returns {Promise} Resolves to processed TrunkInstance
   */
  /* jshint ignore:end */
  TrunkContext.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'),
      'DomainName': _.get(opts, 'domainName'),
      'DisasterRecoveryUrl': _.get(opts, 'disasterRecoveryUrl'),
      'DisasterRecoveryMethod': _.get(opts, 'disasterRecoveryMethod'),
      'Recording': _.get(opts, 'recording'),
      'Secure': serialize.bool(_.get(opts, 'secure')),
      'CnamLookupEnabled': serialize.bool(_.get(opts, 'cnamLookupEnabled'))
    });
  
    var promise = this._version.update({uri: this._uri, method: 'POST', data: data});
  
    promise = promise.then(function(payload) {
      deferred.resolve(new TrunkInstance(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;
  };
  
  Object.defineProperty(TrunkContext.prototype,
    'originationUrls', {
    get: function() {
      if (!this._originationUrls) {
        this._originationUrls = new OriginationUrlList(this._version, this._solution.sid);
      }
      return this._originationUrls;
    }
  });
  
  Object.defineProperty(TrunkContext.prototype,
    'credentialsLists', {
    get: function() {
      if (!this._credentialsLists) {
        this._credentialsLists = new CredentialListList(this._version, this._solution.sid);
      }
      return this._credentialsLists;
    }
  });
  
  Object.defineProperty(TrunkContext.prototype,
    'ipAccessControlLists', {
    get: function() {
      if (!this._ipAccessControlLists) {
        this._ipAccessControlLists = new IpAccessControlListList(this._version, this._solution.sid);
      }
      return this._ipAccessControlLists;
    }
  });
  
  Object.defineProperty(TrunkContext.prototype,
    'phoneNumbers', {
    get: function() {
      if (!this._phoneNumbers) {
        this._phoneNumbers = new PhoneNumberList(this._version, this._solution.sid);
      }
      return this._phoneNumbers;
    }
  });
  
  Object.defineProperty(TrunkContext.prototype,
    'terminatingSipDomains', {
    get: function() {
      if (!this._terminatingSipDomains) {
        this._terminatingSipDomains = new TerminatingSipDomainList(this._version, this._solution.sid);
      }
      return this._terminatingSipDomains;
    }
  });
  
  /* jshint ignore:start */
  /**
   * Provide a user-friendly representation
   *
   * @function toJSON
   * @memberof Twilio.Trunking.V1.TrunkContext#
   *
   * @returns Object
   */
  /* jshint ignore:end */
  TrunkContext.prototype.toJSON = function toJSON() {
    return this._solution;
  };
  
  TrunkContext.prototype[util.inspect.custom] = function inspect(depth, options) {
    return util.inspect(this.toJSON(), options);
  };
  
  module.exports = {
    TrunkList: TrunkList,
    TrunkPage: TrunkPage,
    TrunkInstance: TrunkInstance,
    TrunkContext: TrunkContext
  };
  