public void setUrl(String url) {
        this.url = url;
    }
The URL from the API Gateway proxy that you set up to talk to your key server. This parameter is required for
SPEKE encryption and is not valid for static key encryption.

@param url
       The URL from the API Gateway proxy that you set up to talk to your key server. This parameter is required
       for SPEKE encryption and is not valid for static key encryption.
aws-java-sdk-mediaconnect/src/main/java/com/amazonaws/services/mediaconnect/model/UpdateEncryption.java