message: add AKS listClusterMonitoringUserCredential API
diff: }
  }
  },
  + "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ContainerService/managedClusters/{resourceName}/listClusterMonitoringUserCredential": {
  + "post": {
  + "tags": [
  + "ManagedClusters"
  + ],
  + "operationId": "ManagedClusters_ListClusterMonitoringUserCredentials",
  + "summary": "Gets cluster user credential of a managed cluster.",
  + "description": "Gets cluster monitoring user credential of the managed cluster with a specified resource group and name.",
  + "parameters": [
  + {
  + "$ref": "#/parameters/ApiVersionParameter"
  + },
  + {
  + "$ref": "#/parameters/SubscriptionIdParameter"
  + },
  + {
  + "$ref": "#/parameters/ResourceGroupNameParameter"
  + },
  + {
  + "$ref": "#/parameters/ResourceNameParameter"
  + }
  + ],
  + "responses": {
  + "200": {
  + "description": "OK",
  + "schema": {
  + "$ref": "#/definitions/CredentialResults"
  + }
  + },
  + "default": {
  + "description": "Error response describing why the operation failed.",
  + "schema": {
  + "$ref": "#/definitions/CloudError"
  + }
  + }
  + },
  + "x-ms-examples": {
  + "Get Managed Cluster": {
  + "$ref": "./examples/ManagedClustersListClusterCredentialResult.json"
  + }
  + }
  + }
  + },
  "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ContainerService/managedClusters/{resourceName}": {
  "get": {
  "tags": [
  