code: function createReadStream(remoteFilename, options) {
              const createOptions = merge(baseOptions, options || {});
              return createStream.createReadStream(remoteFilename, createOptions);
          }
docs: Create a readable stream of a remote file
  @param {String} remoteFilename The file to stream
  @param {UserOptions=} options Options for the request
  @memberof ClientInterface
  @returns {Readable} A readable stream
  @example
  const remote = client.createReadStream("/data.zip");
  remote.pipe(someWriteStream);