public String getIndexFieldConfigId() {
                return "config_id";
            }

            @Override
            public String getIndexFieldLang() {
                return "lang";
            }

            @Override
            public String getIndexFieldHasCache() {
                return "has_cache";
            }

            @Override

    /**
     * <p>Unescapes any Java literals found in the <code>String</code> to a
     * <code>Writer</code>.</p> This is a slightly modified version of the
     * StringEscapeUtils.unescapeJava() function in commons-lang that doesn't
     * drop escaped separators (i.e '\,').
     *
     * @param str  the <code>String</code> to unescape, may be null
     * @return the processed string

    /**
     * <p>Unescapes any Java literals found in the <code>String</code> to a
     * <code>Writer</code>.</p> This is a slightly modified version of the
     * StringEscapeUtils.unescapeJava() function in commons-lang that doesn't
     * drop escaped separators (i.e '\,').
     *
     * @param str  the <code>String</code> to unescape, may be null
     * @return the processed string

	LAA	R1, R2, 524287(R3)    // eb213fff7ff8
	LAAG	R4, R5, -524288(R6)   // eb54600080e8
	LAAL	R7, R8, 8192(R9)      // eb87900002fa
	LAALG	R10, R11, -8192(R12)  // ebbac000feea
	LAN	R1, R2, (R3)          // eb21300000f4
	LANG	R4, R5, (R6)          // eb54600000e4
	LAX	R7, R8, (R9)          // eb87900000f7
	LAXG	R10, R11, (R12)       // ebbac00000e7
	LAO	R1, R2, (R3)          // eb21300000f6
	LAOG	R4, R5, (R6)          // eb54600000e6

**Parameters**:
- `q` - Query string
- `num` - Results per page (default: 20)
- `start` - Starting offset (default: 0)
- `fields.label` - Label filter
- `lang` - Language preference

**Example**:
```bash
# Using the recommended endpoint
curl "http://localhost:8080/api/v1/documents?q=search&num=10"

# Or using the legacy endpoint

java.lang.Class#getDeclaredFields() @ Do not violate java's access system: Use getFields() instead
java.lang.Class#getDeclaredMethod(java.lang.String, java.lang.Class[]) @ Do not violate java's access system: Use getMethod() instead
java.lang.Class#getDeclaredMethods() @ Do not violate java's access system: Use getMethods() instead
java.lang.reflect.AccessibleObject#setAccessible(boolean)

    <function-class>org.codelibs.fess.taglib.FessFunctions</function-class>
    <function-signature>java.lang.String formatCode(java.lang.String, java.lang.String, java.lang.String, java.lang.String)</function-signature>
    <example>${fe:formatCode("L", "prettyprint", doc.mimetype, doc.content_description)}</example>
  </function>

  <function>
    <description>Mask e-mail address.</description>
    <name>maskEmail</name>

          <item index="14" class="java.lang.String" itemvalue="org.jetbrains.annotations.Nullable" />
          <item index="15" class="java.lang.String" itemvalue="org.jspecify.annotations.Nullable" />
          <item index="16" class="java.lang.String" itemvalue="android.annotation.Nullable" />
          <item index="17" class="java.lang.String" itemvalue="org.springframework.lang.Nullable" />

package org.codelibs.fess.validation;

import static java.lang.annotation.ElementType.ANNOTATION_TYPE;
import static java.lang.annotation.ElementType.CONSTRUCTOR;
import static java.lang.annotation.ElementType.FIELD;
import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.ElementType.PARAMETER;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

import java.lang.annotation.Documented;

        assertTrue("Constructor should be protected", java.lang.reflect.Modifier.isProtected(constructors[0].getModifiers()));

        // 2. All public methods should be static
        java.lang.reflect.Method[] methods = ThreadDumpUtil.class.getDeclaredMethods();
        for (java.lang.reflect.Method method : methods) {
            if (java.lang.reflect.Modifier.isPublic(method.getModifiers()) && !method.isSynthetic()) {