code: func (c *LayerTree) LoadSnapshot(tiles []*LayerTreePictureTile) (string, error) {
  	var v LayerTreeLoadSnapshotParams
  	v.Tiles = tiles
  	return c.LoadSnapshotWithParams(&v)
  }
docs: // LoadSnapshot - Returns the snapshot identifier.
  // tiles - An array of tiles composing the snapshot.
  // Returns -  snapshotId - The id of the snapshot.