/// <summary>
 /// Execute an Analytics query
 /// </summary>
 /// <remarks>
 /// Executes an Analytics query for data.
 /// [Here](https://dev.applicationinsights.io/documentation/Using-the-API/Query)
 /// is an example for using POST with an Analytics query.
 /// </remarks>
 /// <param name='operations'>
 /// The operations group for this extension method.
 /// </param>
 /// <param name='appId'>
 /// ID of the application. This is Application ID from the API Access settings
 /// blade in the Azure portal.
 /// </param>
 /// <param name='query'>
 /// The query to execute.
 /// </param>
 /// <param name='timespan'>
 /// Optional. The timespan over which to query data. This is an ISO8601 time
 /// period value.  This timespan is applied in addition to any that are
 /// specified in the query expression.
 /// </param>
 /// <param name='applications'>
 /// A list of Application IDs for cross-application queries.
 /// </param>
 /// <param name='cancellationToken'>
 /// The cancellation token.
 /// </param>
 public static async Task <QueryResults> ExecuteAsync(this IQueryOperations operations, string appId, string query, string timespan = default(string), IList <string> applications = default(IList <string>), CancellationToken cancellationToken = default(CancellationToken))
 {
     using (var _result = await operations.ExecuteWithHttpMessagesAsync(appId, query, timespan, applications, null, cancellationToken).ConfigureAwait(false))
     {
         return(_result.Body);
     }
 }