func (c *CloudWatch) WaitUntilAlarmExists(input *DescribeAlarmsInput) error {
	return c.WaitUntilAlarmExistsWithContext(aws.BackgroundContext(), input)
}
WaitUntilAlarmExists uses the CloudWatch API operation
DescribeAlarms to wait for a condition to be met before returning.
If the condition is not meet within the max attempt window an error will
be returned.
package cloudwatch
import (
	"time"
	"github.com/aws/aws-sdk-go/aws"
	"github.com/aws/aws-sdk-go/aws/request"
)