public Set<String> getRequiredActiveProjectSelectors() {
        return getProjectSelectors(pa -> !pa.optional() && pa.active());
    }

    /**
     * @return Optional active project selectors, never {@code null}.
     */
    public Set<String> getOptionalActiveProjectSelectors() {
        return getProjectSelectors(pa -> pa.optional() && pa.active());
    }

    /**

     */
    public Set<String> getRequiredActiveProfileIds() {
        return getProfileIds(pa -> !pa.optional() && pa.active());
    }

    /**
     * @return Optional active profile identifiers, never {@code null}.
     */
    public Set<String> getOptionalActiveProfileIds() {
        return getProfileIds(pa -> pa.optional() && pa.active());
    }

    /**

    // regards edge cases.

    // The Unicode point {@code 00df} is the lowercase form of sharp-S (ß), whose uppercase is "SS".
    assertThat("pa\u00dfword".toUpperCase()).isEqualTo("PASSWORD"); // [*]
    assertFalse("pa\u00dfword".equalsIgnoreCase("PASSWORD")); // [*]
    assertFalse(Ascii.equalsIgnoreCase("pa\u00dfword", "PASSWORD"));
  }

    // regards edge cases.

    // The Unicode point {@code 00df} is the lowercase form of sharp-S (ß), whose uppercase is "SS".
    assertThat("pa\u00dfword".toUpperCase()).isEqualTo("PASSWORD"); // [*]
    assertFalse("pa\u00dfword".equalsIgnoreCase("PASSWORD")); // [*]
    assertFalse(Ascii.equalsIgnoreCase("pa\u00dfword", "PASSWORD"));
  }

            });
            a.map(Activation::getProperty).ifPresent(pa -> {
                Interpolation nt = new Interpolation(pa, interpolator::interpolate);
                nt.performFor(pa.getName(), "name", pa::setName);
                nt.performFor(pa.getValue(), "value", pa::setValue);
            });

        List<MavenProject> result = projects;

        ProjectActivation projectActivation = request.getProjectActivation();

        projectActivation.getActivations().stream()
                .filter(pa -> pa.activationSettings().active())
                .forEach(pas -> {});

        Set<String> requiredSelectors = projectActivation.getRequiredInactiveProjectSelectors();

```properties
supported.languages=ar,bg,bn,ca,ckb_IQ,cs,da,de,el,en_IE,en,es,et,eu,fa,fi,fr,gl,gu,he,hi,hr,hu,hy,id,it,ja,ko,lt,lv,mk,ml,nl,no,pa,pl,pt_BR,pt,ro,ru,si,sq,sv,ta,te,th,tl,tr,uk,ur,vi,zh_CN,zh_TW,zh
```

**Optional configurations:**

If you create online help documentation:
```properties
online.help.supported.langs=ja,sv  # Add your language
```

        map.put("ビ", new String[] { "bi" });
        map.put("ブ", new String[] { "bu" });
        map.put("ベ", new String[] { "be" });
        map.put("ボ", new String[] { "bo" });

        map.put("パ", new String[] { "pa" });
        map.put("ピ", new String[] { "pi" });
        map.put("プ", new String[] { "pu" });
        map.put("ペ", new String[] { "pe" });
        map.put("ポ", new String[] { "po" });

            stk.pop();
        });
        root.map(Activation::getProperty).ifPresent(pa -> {
            stk.push(new ActivationFrame("property", Optional.of(pa)));
            stk.push(new ActivationFrame("name", Optional.empty()));
            validator.accept(pa.getName());
            stk.peek().location = "value";
            validator.accept(pa.getValue());
            stk.pop();
            stk.pop();
        });

fr=fr\n\
gl=gl\n\
gu=gu\n\
he=he\n\
hi=hi\n\
hr=hr\n\
hu=hu\n\
hy=hy\n\
id=id\n\
it=it\n\
ja=ja\n\
ko=ko\n\
lt=lt\n\
lv=lv\n\
mk=mk\n\
ml=ml\n\
nl=nl\n\
no=no\n\
pa=pa\n\
pl=pl\n\
pt=pt\n\
pt-br=pt-br\n\
pt_BR=pt-br\n\
ro=ro\n\
ru=ru\n\
si=si\n\
sq=sq\n\
sv=sv\n\
ta=ta\n\
te=te\n\
th=th\n\
tl=tl\n\
tr=tr\n\
uk=uk\n\
ur=ur\n\