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# Experimental Features
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Advanced and experimental features including utility classes, field name constants, and enhanced builder patterns.
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## Capabilities
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### @SuperBuilder
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```java { .api }
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@Target(ElementType.TYPE)
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@Retention(RetentionPolicy.SOURCE)
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public @interface SuperBuilder {
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    String builderMethodName() default "builder";
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    String buildMethodName() default "build";
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    boolean toBuilder() default false;
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    String setterPrefix() default "";
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}
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```
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### @UtilityClass
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```java { .api }
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@Target(ElementType.TYPE)
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@Retention(RetentionPolicy.SOURCE)
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public @interface UtilityClass {
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}
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```
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### @FieldNameConstants
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```java { .api }
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@Target(ElementType.TYPE)
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@Retention(RetentionPolicy.SOURCE)
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public @interface FieldNameConstants {
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    AccessLevel level() default AccessLevel.PUBLIC;
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    boolean asEnum() default false;
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    String innerTypeName() default "Fields";
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    boolean onlyExplicitlyIncluded() default false;
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}
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```
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### @Delegate
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```java { .api }
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@Target({ElementType.FIELD, ElementType.METHOD})
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@Retention(RetentionPolicy.SOURCE)
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public @interface Delegate {
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    Class<?>[] types() default {};
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    Class<?>[] excludes() default {};
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}
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```
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**Usage Examples:**
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```java
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import lombok.experimental.*;
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@UtilityClass
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public class MathUtils {
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    public static int add(int a, int b) {
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        return a + b;
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    }
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}
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@FieldNameConstants
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public class User {
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    private String name;
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    private int age;
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    // Generated: public static final String NAME = "name";
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    // Generated: public static final String AGE = "age";
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}
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```