field id should be final in class org.apache.ibatis.mapping.Environment.Builder

[galleChristian]

MyBatis version

3.5.3

Database vendor and version

Test case or example project

Steps to reproduce

Expected result

public static class Builder {

    private final String id;

    public Builder(String id) {

      this.id = id;

    }
}

Actual result

public static class Builder {
    private String id;  //  not final
    public Builder(String id) {
      this.id = id;
    }
}

[kazuki43zoo]

@galleChristian I've applied your suggestion. Thanks!