code: function Node(properties) {
              this.keys = [];
              this.vals = [];
              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 Node.
  @memberof OSMPBF
  @interface INode
  @property {number|Long} id Node id
  @property {Array.<number>|null} [keys] Node keys
  @property {Array.<number>|null} [vals] Node vals
  @property {OSMPBF.IInfo|null} [info] Node info
  @property {number|Long} lat Node lat
  @property {number|Long} lon Node lon
   
  Constructs a new Node.
  @memberof OSMPBF
  @classdesc Represents a Node.
  @implements INode
  @constructor
  @param {OSMPBF.INode=} [properties] Properties to set