public String getCertificateArn() {
        return this.certificateArn;
    }
An Amazon Resource Name (ARN) of a Certificate Manager certificate that MediaPackage will use for enforcing
secure end-to-end data transfer with the key provider service.

@return An Amazon Resource Name (ARN) of a Certificate Manager certificate that MediaPackage will use for
        enforcing secure end-to-end data transfer with the key provider service.
aws-java-sdk-mediapackage/src/main/java/com/amazonaws/services/mediapackage/model/SpekeKeyProvider.java