public UpdateEncryption withConstantInitializationVector(String constantInitializationVector) {
        setConstantInitializationVector(constantInitializationVector);
        return this;
    }
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.

@param 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 Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-mediaconnect/src/main/java/com/amazonaws/services/mediaconnect/model/UpdateEncryption.java