/// <summary>
 /// Gets usernames.
 /// </summary>
 /// <remarks>
 /// Client Credentials Flow required permissions: Robots or Robots.Read.
 ///
 /// Required permissions: Robots.View or Users.View.
 /// </remarks>
 /// <param name='operations'>
 /// The operations group for this extension method.
 /// </param>
 /// <param name='expand'>
 /// Expands related entities inline.
 /// </param>
 /// <param name='filter'>
 /// Filters the results, based on a Boolean condition.
 /// </param>
 /// <param name='select'>
 /// Selects which properties to include in the response.
 /// </param>
 /// <param name='orderby'>
 /// Sorts the results.
 /// </param>
 /// <param name='top'>
 /// Returns only the first n results.
 /// </param>
 /// <param name='skip'>
 /// Skips the first n results.
 /// </param>
 /// <param name='count'>
 /// Includes a count of the matching results in the odata-count header.
 /// </param>
 public static ODataValueIEnumerableString GetUsernames(this ISessions operations, string expand = default(string), string filter = default(string), string select = default(string), string orderby = default(string), int?top = default(int?), int?skip = default(int?), bool?count = default(bool?))
 {
     return(operations.GetUsernamesAsync(expand, filter, select, orderby, top, skip, count).GetAwaiter().GetResult());
 }