code: function copyFile(remotePath, targetRemotePath, options) {
              const copyOptions = merge(baseOptions, options || {});
              return copy.copyFile(remotePath, targetRemotePath, copyOptions);
          }
docs: Copy a remote item to another path
  @param {String} remotePath The remote item path
  @param {String} targetRemotePath The path file will be copied to
  @param {UserOptions=} options Options for the request
  @memberof ClientInterface
  @returns {Promise} A promise that resolves once the request has completed
  @example
  await client.copyFile("/photos/pic1.jpg", "/backup/pic1.jpg");