code: @Override
      public ResetCacheParameterGroupResult resetCacheParameterGroup(ResetCacheParameterGroupRequest request) {
          request = beforeClientExecution(request);
          return executeResetCacheParameterGroup(request);
      }
docs: <p>
  Modifies the parameters of a cache parameter group to the engine or system default value. You can reset specific
  parameters by submitting a list of parameter names. To reset the entire cache parameter group, specify the
  <code>ResetAllParameters</code> and <code>CacheParameterGroupName</code> parameters.
  </p>
  
  @param resetCacheParameterGroupRequest
  Represents the input of a <code>ResetCacheParameterGroup</code> operation.
  @return Result of the ResetCacheParameterGroup operation returned by the service.
  @throws InvalidCacheParameterGroupStateException
  The current state of the cache parameter group does not allow the requested operation to occur.
  @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.ResetCacheParameterGroup
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/elasticache-2015-02-02/ResetCacheParameterGroup"
  target="_top">AWS API Documentation</a>