text: 
  goog.provide("node.crypto.Hmac.Buffer");
  
  /**
   * @constructor
   */
  node.crypto.Hmac.Buffer = function() {};
  
  /**
   * @type {number|null}
   */
  node.crypto.Hmac.Buffer.prototype.poolSize = null;
  
  /**
   * @param {string} b
   */
  node.crypto.Hmac.Buffer.prototype.isBuffer = function(b) {
    return node.crypto.Hmac.Buffer.core_.isBuffer.apply(node.crypto.Hmac.Buffer.core_, arguments);
  };
  
  /**
   *
   */
  node.crypto.Hmac.Buffer.prototype.byteLength = function() {
    return node.crypto.Hmac.Buffer.core_.byteLength.apply(node.crypto.Hmac.Buffer.core_, arguments);
  };
  
  
  /**
   * @private
   * @type {*}
   */
  node.crypto.Hmac.Buffer.core_ = require("crypto").Hmac.Buffer;