code: @Override
      public EnableTopicRuleResult enableTopicRule(EnableTopicRuleRequest request) {
          request = beforeClientExecution(request);
          return executeEnableTopicRule(request);
      }
docs: <p>
  Enables the rule.
  </p>
  
  @param enableTopicRuleRequest
  The input for the EnableTopicRuleRequest operation.
  @return Result of the EnableTopicRule operation returned by the service.
  @throws InternalException
  An unexpected error has occurred.
  @throws InvalidRequestException
  The request is not valid.
  @throws ServiceUnavailableException
  The service is temporarily unavailable.
  @throws UnauthorizedException
  You are not authorized to perform this operation.
  @throws ConflictingResourceUpdateException
  A conflicting resource update exception. This exception is thrown when two pending updates cause a
  conflict.
  @sample AWSIot.EnableTopicRule