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define(['./_root'], function(root) {
  /** Used as a safe reference for `undefined` in pre-ES5 environments. */  var undefined;
  /** Detect free variable `exports`. */  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;
  /** Detect free variable `module`. */  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
  /** Detect the popular CommonJS extension `module.exports`. */  var moduleExports = freeModule && freeModule.exports === freeExports;
  /** Built-in value references. */  var Buffer = moduleExports ? root.Buffer : undefined,      allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined;
  /**   * Creates a clone of  `buffer`.   *   * @private   * @param {Buffer} buffer The buffer to clone.   * @param {boolean} [isDeep] Specify a deep clone.   * @returns {Buffer} Returns the cloned buffer.   */  function cloneBuffer(buffer, isDeep) {    if (isDeep) {      return buffer.slice();    }    var length = buffer.length,        result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);
    buffer.copy(result);    return result;  }
  return cloneBuffer;});