class VariableDeclaration {

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        VariableDeclaration that = (VariableDeclaration) o;
        return Objects.equals(identifier, that.identifier) &&
                Objects.equals(type, that.type) &&
                Objects.equals(tags, that.tags);
    }

    public  VariableDeclaration(String identifier, String type);
    public  VariableDeclaration(String identifier, String type, String tags);

}