public DataQuery withSource(String source) {
        setSource(source);
        return this;
    }
<p>
The Region or Availability Zone that's the source for the data query. For example, <code>us-east-1</code>.
</p>

@param source
       The Region or Availability Zone that's the source for the data query. For example, <code>us-east-1</code>.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/DataQuery.java