@Override
    public int getOpCode() {
        return OP_CODE;
    }
Constructs ConfigModelAppBind message.

@param elementAddress  Element address
@param modelIdentifier Model id
@param appKeyIndex     Application key index of this message
@throws IllegalArgumentException if any illegal arguments are passed
mesh/src/main/java/no/nordicsemi/android/mesh/transport/ConfigModelAppBind.java