public void setSource(String source) {
        this.source = source;
    }
<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>.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/DataQuery.java