public static UTypeVarIdent create(CharSequence name) {
    return new AutoValue_UTypeVarIdent(StringName.of(name));
  }
@Test
  public void equality() {
    new EqualsTester()
        .addEqualityGroup(UTypeVarIdent.create("E"))
        .addEqualityGroup(UTypeVarIdent.create("T"))
        .testEquals();
  }