public DescribeObservationRequest withObservationId(String observationId) {
        setObservationId(observationId);
        return this;
    }
<p>
The ID of the observation.
</p>

@param observationId
       The ID of the observation.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-applicationinsights/src/main/java/com/amazonaws/services/applicationinsights/model/DescribeObservationRequest.java