public ReferenceFiles withSource(FileInformation source) {
        setSource(source);
        return this;
    }
<p>
The source file's location in Amazon S3.
</p>

@param source
       The source file's location in Amazon S3.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-omics/src/main/java/com/amazonaws/services/omics/model/ReferenceFiles.java