final CustomSize annotation = field.getAnnotation(CustomSize.class);

        assertEquals("Annotation type should be CustomSize", CustomSize.class, annotation.annotationType());
    }

    // Test all annotation methods exist
    @Test
    public void test_annotationMethods() {
        try {
            final Method messageMethod = CustomSize.class.getMethod("message");

            assertTrue(true, "NPE is acceptable for null context in this implementation");
        }
    }

    private CustomSize createBasicAnnotation() {
        return new CustomSize() {
            @Override
            public Class<? extends Annotation> annotationType() {
                return CustomSize.class;
            }

            @Override
            public String message() {

            @Override
            public void customize(org.lastaflute.di.core.ComponentDef componentDef) {
                // First mock implementation
            }
        };

        // Create second customizer
        ComponentCustomizer customizer2 = new ComponentCustomizer() {
            @Override
            public void customize(org.lastaflute.di.core.ComponentDef componentDef) {

- Named with "Helper" suffix

### DBFlute Generated Code
```
opensearch/{index}/
├── bsentity/, bsbhv/    # Base classes (DO NOT EDIT)
├── exentity/, exbhv/    # Extended classes (customize here)
└── cbean/               # Condition beans (query builders)
```

### Form Classes
- POJOs with public fields (no getters/setters)
- Validation: `@Required`, `@Size`, `@ValidateTypeFailure`, `@Pattern`

     * SearchRequestType.JSON and the role filter mechanism, ensuring
     * users only see documents they are authorized to access.
     * <p>
     * This is the primary extension point for subclasses to customize search behavior.
     *
     * @param query the search query
     * @param fields the field filters (e.g., label)
     * @param extraQueries the extra query filters (e.g., filetype, timestamp)

        }
    }

    /**
     * Updates documents in an index using a query.
     *
     * @param index   the index name
     * @param option  function to customize the search request
     * @param builder function to build update requests from search hits
     * @return the number of documents processed
     */