public Certificate withCertificateType(String certificateType) {
        setCertificateType(certificateType);
        return this;
    }
<p>
The type of the certificate.
</p>
<p>
Example: <code>CA</code>
</p>

@param certificateType
       The type of the certificate.</p>
       <p>
       Example: <code>CA</code>
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-docdb/src/main/java/com/amazonaws/services/docdb/model/Certificate.java