///
///
declare module goog.crypt {
class Hmac extends Hmac__Class { }
/** Fake class which should be extended to avoid inheriting static properties */
class Hmac__Class extends goog.crypt.Hash__Class {
/**
* @constructor
* @param {!goog.crypt.Hash} hasher An object to serve as a hash function.
* @param {Array.} key The secret key to use to calculate the hmac.
* Should be an array of not more than {@code blockSize} integers in
{0, 255}.
* @param {number=} opt_blockSize Optional. The block size {@code hasher} uses.
* If not specified, uses the block size from the hasher, or 16 if it is
* not specified.
* @extends {goog.crypt.Hash}
* @final
* @struct
*/
constructor(hasher: goog.crypt.Hash, key: number[], opt_blockSize?: number);
/**
* Calculates an HMAC for a given message.
*
* @param {Array.} message An array of integers in {0, 255}.
* @return {!Array.} the digest of the given message.
*/
getHmac(message: number[]): number[];
}
}