code: function BlobHeader(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 BlobHeader.
  @memberof OSMPBF
  @interface IBlobHeader
  @property {string} type BlobHeader type
  @property {Uint8Array|null} [indexdata] BlobHeader indexdata
  @property {number} datasize BlobHeader datasize
   
  Constructs a new BlobHeader.
  @memberof OSMPBF
  @classdesc Represents a BlobHeader.
  @implements IBlobHeader
  @constructor
  @param {OSMPBF.IBlobHeader=} [properties] Properties to set