code: function HeaderBBox(properties) {
              if (properties)
                  for (var keys = Object.keys(properties), i = 0; i < keys.length; ++i)
                      if (properties[keys[i]] != null)
                          this[keys[i]] = properties[keys[i]];
          }
docs: Properties of a HeaderBBox.
  @memberof OSMPBF
  @interface IHeaderBBox
  @property {number|Long} left HeaderBBox left
  @property {number|Long} right HeaderBBox right
  @property {number|Long} top HeaderBBox top
  @property {number|Long} bottom HeaderBBox bottom
   
  Constructs a new HeaderBBox.
  @memberof OSMPBF
  @classdesc Represents a HeaderBBox.
  @implements IHeaderBBox
  @constructor
  @param {OSMPBF.IHeaderBBox=} [properties] Properties to set