class SubroutineArgumentDeclaration implements DataTyped {

    public boolean isByRef() {
        return isByRef;
    }

    public  SubroutineArgumentDeclaration(final String name);
    public  SubroutineArgumentDeclaration(final String name, final DataType dataType);
    public  SubroutineArgumentDeclaration(final String name, final boolean isByRef, final DataType dataType);

}