/// <summary>
 /// Initializes a new instance of the GenerateTokenRequest class.
 /// </summary>
 /// <param name="accessLevel">The dataset mode or type. Possible values
 /// include: 'View', 'Edit', 'Create'</param>
 /// <param name="datasetId">The dataset Id</param>
 /// <param name="allowSaveAs">Allow SaveAs the report with generated
 /// token.</param>
 /// <param name="identity">The effective identity to use for RLS
 /// rules</param>
 public GenerateTokenRequest(TokenAccessLevel accessLevel, string datasetId, bool?allowSaveAs, EffectiveIdentity identity)
 {
     AccessLevel = accessLevel;
     DatasetId   = datasetId;
     AllowSaveAs = allowSaveAs;
     Identities  = new[] { identity };
     CustomInit();
 }