private Amazon.RDS.Model.CopyOptionGroupResponse CallAWSServiceOperation(IAmazonRDS client, Amazon.RDS.Model.CopyOptionGroupRequest request) { Utils.Common.WriteVerboseEndpointMessage(this, client.Config, "Amazon Relational Database Service", "CopyOptionGroup"); try { #if DESKTOP return(client.CopyOptionGroup(request)); #elif CORECLR return(client.CopyOptionGroupAsync(request).GetAwaiter().GetResult()); #else #error "Unknown build edition" #endif } catch (AmazonServiceException exc) { var webException = exc.InnerException as System.Net.WebException; if (webException != null) { throw new Exception(Utils.Common.FormatNameResolutionFailureMessage(client.Config, webException.Message), webException); } throw; } }