public void setEncryption(MsSmoothEncryptionSettings encryption) {
        this.encryption = encryption;
    }
If you are using DRM, set DRM System to specify the value SpekeKeyProvider.

@param encryption
       If you are using DRM, set DRM System to specify the value SpekeKeyProvider.
aws-java-sdk-mediaconvert/src/main/java/com/amazonaws/services/mediaconvert/model/MsSmoothGroupSettings.java