/// <summary>
 /// Filter.
 /// </summary>
 /// <param name="filter"> filter. </param>
 /// <returns> Builder. </returns>
 public Builder Filter(Models.SearchAvailabilityFilter filter)
 {
     this.filter = filter;
     return(this);
 }
 /// <summary>
 /// Initializes a new instance of the <see cref="SearchAvailabilityQuery"/> class.
 /// </summary>
 /// <param name="filter">filter.</param>
 public SearchAvailabilityQuery(
     Models.SearchAvailabilityFilter filter)
 {
     this.Filter = filter;
 }
 public Builder(
     Models.SearchAvailabilityFilter filter)
 {
     this.filter = filter;
 }