queryFieldConfig.setFacetFields(facetFields);

        // Test valid facet fields
        assertTrue(queryFieldConfig.isFacetField("category"));
        assertTrue(queryFieldConfig.isFacetField("type"));
        assertTrue(queryFieldConfig.isFacetField("author"));
        assertTrue(queryFieldConfig.isFacetField("date"));

        // Test invalid facet fields
        assertFalse(queryFieldConfig.isFacetField("invalid"));

    <example>
      ${fe:pagingQuery("ex_q=timestamp:")}
    </example>
  </function>

  <function>
    <description>
      Returns query parameters for Facet.
    </description>
    <name>facetQuery</name>
    <function-class>org.codelibs.fess.taglib.FessFunctions</function-class>
    <function-signature>java.lang.String facetQuery()</function-signature>
    <example>

  /** Though this executor service may hold many threads, they are not executed concurrently. */
  private val tasksExecutor = Executors.newCachedThreadPool(threadFactory("TaskFaker"))

  /**
   * True if this task faker has ever had multiple tasks scheduled to run concurrently. Guarded by
   * `this`.
   */
  var isParallel = false

  /** Number of calls to [TaskRunner.Backend.execute]. Guarded by `this`. */
  var executeCallCount = 0

query.fuzzy.transpositions=true

# facet

# Fields for facet queries.
query.facet.fields=label
# Size of facet fields.
query.facet.fields.size=100
# Minimum document count for facet fields.
query.facet.fields.min_doc_count=1
# Sort order for facet fields.
query.facet.fields.sort=count.desc
# Value for missing facet fields.
query.facet.fields.missing=
# Facet queries definition.
query.facet.queries=\

    // ============================================================
    // Facet and Query Constants
    // ============================================================

    /** Prefix for facet field identifiers. */
    public static final String FACET_FIELD_PREFIX = "field:";

    /** Prefix for facet query identifiers. */
    public static final String FACET_QUERY_PREFIX = "query:";

 * this structure is never mutated, it provides a thread-safe view of the backing map.
 *
 * <p>The {@link MapIteratorCache} assumes ownership of the backing map, and cannot guarantee
 * correctness in the face of external mutations to the backing map. As such, it is <b>strongly</b>
 * recommended that the caller does not persist a reference to the backing map (unless the backing
 * map is immutable).
 *

curînd
da
dă
dacă
dar
datorită
de
deci
deja
deoarece
departe
deşi
din
dinaintea
dintr
dintre
drept
după
ea
ei
el
ele
eram
este
eşti
eu
face
fără
fi
fie
fiecare
fii
fim
fiţi
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îi
îl
îmi
împotriva
în 
înainte
înaintea
încât
încît
încotro
între
întrucât
întrucît
îţi

   *
   * <p>A failing {@link TearDown} may or may not fail a tl4j test, depending on the version of
   * JUnit test case you are running under. To avoid failing in the face of an exception regardless
   * of JUnit version, implement a {@link SloppyTearDown} instead.
   *
   * <p>tl4j details: For backwards compatibility, {@code junit3.TearDownTestCase} currently does

1F62C         ; valid                  ;      ; NV8    # 6.1  GRIMACING FACE
1F62D         ; valid                  ;      ; NV8    # 6.0  LOUDLY CRYING FACE
1F62E..1F62F  ; valid                  ;      ; NV8    # 6.1  FACE WITH OPEN MOUTH..HUSHED FACE
1F630..1F633  ; valid                  ;      ; NV8    # 6.0  FACE WITH OPEN MOUTH AND COLD SWEAT..FLUSHED FACE
1F634         ; valid                  ;      ; NV8    # 6.1  SLEEPING FACE

        String decoded = new String(BaseEncoding.base64().decode(encoded), StandardCharsets.UTF_8);

        assertEquals(emptyString, decoded);
    }

    public void test_facet_prefix_usage() {
        // Test that facet prefixes can be used correctly
        String fieldName = "category";
        String encodedFieldName = BaseEncoding.base64().encode(fieldName.getBytes(StandardCharsets.UTF_8));