public SigningJob withSource(Source source) {
        setSource(source);
        return this;
    }
<p>
A <code>Source</code> that contains information about a signing job's code image source.
</p>

@param source
       A <code>Source</code> that contains information about a signing job's code image source.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-signer/src/main/java/com/amazonaws/services/signer/model/SigningJob.java