code: function PointValue(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 PointValue.
  @memberof com.signalfx.metrics.protobuf
  @interface IPointValue
  @property {number|Long|null} [timestamp] PointValue timestamp
  @property {com.signalfx.metrics.protobuf.IDatum|null} [value] PointValue value
   
  Constructs a new PointValue.
  @memberof com.signalfx.metrics.protobuf
  @classdesc Represents a PointValue.
  @implements IPointValue
  @constructor
  @param {com.signalfx.metrics.protobuf.IPointValue=} [properties] Properties to set