code: @Override
      public DescribeCacheParametersResult describeCacheParameters(DescribeCacheParametersRequest request) {
          request = beforeClientExecution(request);
          return executeDescribeCacheParameters(request);
      }
docs: <p>
  Returns the detailed parameter list for a particular cache parameter group.
  </p>
  
  @param describeCacheParametersRequest
  Represents the input of a <code>DescribeCacheParameters</code> operation.
  @return Result of the DescribeCacheParameters operation returned by the service.
  @throws CacheParameterGroupNotFoundException
  The requested cache parameter group name does not refer to an existing cache parameter group.
  @throws InvalidParameterValueException
  The value for a parameter is invalid.
  @throws InvalidParameterCombinationException
  Two or more incompatible parameters were specified.
  @sample AmazonElastiCache.DescribeCacheParameters
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/elasticache-2015-02-02/DescribeCacheParameters"
  target="_top">AWS API Documentation</a>