public String getConstantInitializationVector() {
        return this.constantInitializationVector;
    }
A 128-bit, 16-byte hex value represented by a 32-character string, to be used with the key for encrypting
content. This parameter is not valid for static key encryption.

@return A 128-bit, 16-byte hex value represented by a 32-character string, to be used with the key for encrypting
        content. This parameter is not valid for static key encryption.
aws-java-sdk-mediaconnect/src/main/java/com/amazonaws/services/mediaconnect/model/UpdateEncryption.java