/// <summary>
 /// Initializes a new instance of the <see cref="HeaderPlacementAttribute"/> class.
 /// </summary>
 /// <param name="placement">
 /// The placement.
 /// </param>
 public HeaderPlacementAttribute(HeaderPlacement placement)
 {
     this.HeaderPlacement = placement;
 }
 /// <summary>
 /// Initializes a new instance of the <see cref="HeaderPlacementAttribute" /> class.
 /// </summary>
 /// <param name="placement">The placement.</param>
 public HeaderPlacementAttribute(HeaderPlacement placement)
 {
     this.HeaderPlacement = placement;
 }