public void setCertificateArn(String certificateArn) {
        this.certificateArn = certificateArn;
    }
If you want your key provider to encrypt the content keys that it provides to MediaConvert, set up a certificate
with a master key using AWS Certificate Manager. Specify the certificate's Amazon Resource Name (ARN) here.

@param certificateArn
       If you want your key provider to encrypt the content keys that it provides to MediaConvert, set up a
       certificate with a master key using AWS Certificate Manager. Specify the certificate's Amazon Resource
       Name (ARN) here.
aws-java-sdk-mediaconvert/src/main/java/com/amazonaws/services/mediaconvert/model/SpekeKeyProvider.java