public void setFile(VirtualGatewayListenerTlsFileCertificate file) {
        this.file = file;
    }
<p>
An object that represents a local file certificate. The certificate must meet specific requirements and you must
have proxy authorization enabled. For more information, see <a
href="https://docs.aws.amazon.com/app-mesh/latest/userguide/tls.html"> Transport Layer Security (TLS) </a>.
</p>

@param file
       An object that represents a local file certificate. The certificate must meet specific requirements and
       you must have proxy authorization enabled. For more information, see <a
       href="https://docs.aws.amazon.com/app-mesh/latest/userguide/tls.html"> Transport Layer Security (TLS)
       </a>.
aws-java-sdk-appmesh/src/main/java/com/amazonaws/services/appmesh/model/VirtualGatewayClientTlsCertificate.java