verify(mockReferralData, times(1)).getDomain();

            // Test with concrete implementation
            String concreteDomain = concreteImplementation.getDomain();
            // Should be DOMAIN based on our initialization
            assertEquals("DOMAIN", concreteDomain);
        }

        @Test
        @DisplayName("Should get link")
        void testGetLink() {

import static com.google.common.base.Preconditions.checkNotNull;

import com.google.common.annotations.GwtCompatible;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import org.jspecify.annotations.Nullable;

/**
 * Simple helper class to build a "sparse" array of objects based on the indexes that were added to

     * during model building, based on the POM schema version.
     * <p>
     * The validation levels are cumulative, with higher versions including all validations
     * from lower versions plus additional checks specific to that version.
     */
    enum Version {
        /**
         * Base validation level that applies to all POM versions.

```bash
mvn dbflute:freegen
```

Generated code:
- `opensearch/{index}/bsentity/` - Base entities (do not edit)
- `opensearch/{index}/exentity/` - Extended entities (customize here)
- `opensearch/{index}/bsbhv/` - Base behaviors (do not edit)
- `opensearch/{index}/exbhv/` - Extended behaviors (customize here)

## Key Patterns

### Actions (Controllers)

import com.google.common.eventbus.EventBus;
import junit.framework.TestCase;
import org.jspecify.annotations.Nullable;

/**
 * Abstract base class for tests that EventBus finds the correct subscribers.
 *
 * <p>The actual tests are distributed among the other classes in this package based on whether they
 * are annotated or abstract in the superclass.
 *
 * <p>This test must be outside the c.g.c.eventbus package to test correctly.
 *

        if (exists) {
            queryBuf.append(')');
        }
    }

    /**
     * Builds the base query string from search parameters.
     * Handles both condition-based queries and simple text queries, including related query expansion.
     *
     * @return the base query string
     */
    protected String buildBaseQuery() {
        final StringBuilder queryBuf = new StringBuilder(255);

import org.codelibs.fess.app.service.StemmerOverrideService;
import org.codelibs.fess.app.web.CrudMode;
import org.codelibs.fess.app.web.admin.dict.AdminDictAction;
import org.codelibs.fess.app.web.base.FessAdminAction;
import org.codelibs.fess.app.web.base.FessBaseAction;
import org.codelibs.fess.dict.stemmeroverride.StemmerOverrideItem;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.RenderDataUtil;

 */
public abstract class FessSearchAction extends FessBaseAction {

    /**
     * Default constructor.
     */
    public FessSearchAction() {
        super();
    }

    /** The field name used for label-based search filtering. */
    protected static final String LABEL_FIELD = "label";

    /** Helper for performing search operations and managing search requests. */
    @Resource
    protected SearchHelper searchHelper;

package com.google.common.cache;

import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.util.concurrent.Futures.immediateFuture;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.base.Function;
import com.google.common.base.Supplier;

* Based on Python type hints.
* Validation and documentation from these types.
* Dependency Injection system.

It doesn't use a data validation, serialization and documentation third-party library like Pydantic, it has its own. So, these data type definitions would not be reusable as easily.