Values_4.UpdateSecurityGroupRuleDescriptionsEgressResultSourceUpdates the description of an egress (outbound) security group rule. You can replace an existing description, or add a description to a rule that did not have one previously. You can remove a description for a security group rule by omitting the description parameter in the request.
type nonrec t = {return : Values_0.Boolean.t option;Returns true if the request succeeds; otherwise, returns an error.
*)}val error_of_json :
'a ->
Yojson.Safe.t ->
[> `Unknown_operation_error of 'a * string option ]