How to use the azure-common.Constants.HeaderConstants function in azure-common

//   http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// 
// See the License for the specific language governing permissions and
// limitations under the License.
// 

// Module dependencies.
var azureutil = require('azure-common').util;
var RFC1123 = require('azure-common').RFC1123;

var Constants = require('azure-common').Constants;
var HeaderConstants = Constants.HeaderConstants;

exports = module.exports;

exports.parse = function (responseObject) {
  var queueMessageResult = {};

  queueMessageResult.body = responseObject.body;

  if (responseObject.headers[HeaderConstants.BROKER_PROPERTIES_HEADER]) {
    queueMessageResult.brokerProperties = {};

    var brokerProperties = JSON.parse(responseObject.headers[HeaderConstants.BROKER_PROPERTIES_HEADER]);
    Object.keys(brokerProperties).forEach(function (property) {
      queueMessageResult.brokerProperties[property] = brokerProperties[property];
    });
  }

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//   http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// 
// See the License for the specific language governing permissions and
// limitations under the License.
// 

// Module dependencies.
var Constants = require('azure-common').Constants;
var HeaderConstants = Constants.HeaderConstants;
var BlobConstants = Constants.BlobConstants;

function ContainerResult(name, publicAccessLevel) {
  if (name) {
    this.name = name;
  }

  if (publicAccessLevel) {
    this.publicAccessLevel = publicAccessLevel;
  }
}

ContainerResult.parse = function (containerXml) {
  var containerResult = new ContainerResult();
  for (var propertyName in containerXml) {
    if (containerXml.hasOwnProperty(propertyName)) {

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//   http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// 
// See the License for the specific language governing permissions and
// limitations under the License.
// 

// Module dependencies.
var Constants = require('azure-common').Constants;
var HeaderConstants = Constants.HeaderConstants;

function LeaseResult(container, blob, id, time) {
  if (container) {
    this.container = container;
  }

  if (blob) {
    this.blob = blob;
  }

  if (id) {
    this.id = id;
  }

  if (time) {
    this.time = time;

// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// 
// See the License for the specific language governing permissions and
// limitations under the License.
// 

// Module dependencies.
var url = require('url');

var WrapTokenManager = require('./wraptokenmanager');

var Constants = require('azure-common').Constants;
var HeaderConstants = Constants.HeaderConstants;
var ServiceBusConstants = Constants.ServiceBusConstants;

/**
* Creates a new Wrap object.
*
* @param {string} acsHost                 The access control host.
* @param {string} issuer                  The service bus issuer.
* @param {string} accessKey               The service bus issuer password.
*/
function Wrap(acsHost, issuer, accessKey) {
  this.acsHost = acsHost;
  this.issuer = issuer;
  this.accessKey = accessKey;
  this.wrapTokenManager = new WrapTokenManager(acsHost, issuer, accessKey);
}

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//   http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// 
// See the License for the specific language governing permissions and
// limitations under the License.
// 

// Module dependencies.
var Constants = require('azure-common').Constants;
var HeaderConstants = Constants.HeaderConstants;

function QueueResult(name, metadata) {
  if (name) {
    this.name = name;
  }

  if (metadata) {
    this.metadata = metadata;
  }
}

QueueResult.parse = function (messageXml) {
  var queueResult = new QueueResult();
  for (var property in messageXml) {
    if (messageXml.hasOwnProperty(property)) {
      queueResult[property.toLowerCase()] = messageXml[property];