src/utils/decoder.js
function decodeByteVector(x, N) {
  var point = 0;
  for (var i = 0; i < N; ++i) {
    point |= x.charCodeAt(i) << (i * 8);
  }
  return point;
}
function decodeByteVector(x, N) {
  var point = 0;
  for (var i = 0; i < N; ++i) {
    point |= x.charCodeAt(i) << (i * 8);
  }
  return point;
}
function decodeByteVector ( x , N ) { var point = 0 ; for ( var i = 0 ; i < N ; ++ i ) { point |= x . charCodeAt ( i ) << ( i * 8 ) ; } return point ; }
target resolution 65k, real 4k 
coordinateDecode
partof Yandex.Maps.API
target resolution 65k real 4k coordinateDecode partof Yandex . Maps . API