src/presets/obfs-tls1.2-ticket.js
function ApplicationData(buffer) {
  const len = numberToBuffer(buffer.length);
  return Buffer.concat([stb('170303'), len, buffer]);
}
function ApplicationData(buffer) {
  const len = numberToBuffer(buffer.length);
  return Buffer.concat([stb('170303'), len, buffer]);
}
function ApplicationData ( buffer ) { const len = numberToBuffer ( buffer . length ) ; return Buffer . concat ( [ stb ( '170303' ) , len , buffer ] ) ; }
wrap buffer to Application Data
@param buffer
@returns {Buffer}
@constructor
wrap buffer to Application Data