public AwsCloudTrailTrailDetails withTrailArn(String trailArn) {
        setTrailArn(trailArn);
        return this;
    }
<p>
The ARN of the trail.
</p>

@param trailArn
       The ARN of the trail.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/AwsCloudTrailTrailDetails.java