Новая логика создания юнитов - МегаБилдер

Новая логика валидации данных от пользователя
Продолжаю внедрять ломбок

src/main/java/org/sadtech/social/core/domain/BoxAnswer.java

@@ -1,7 +1,9 @@
 package org.sadtech.social.core.domain;
 
+import lombok.Builder;
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
+import lombok.Setter;
 import lombok.ToString;
 import org.sadtech.social.core.domain.content.attachment.GeoCoordinate;
 import org.sadtech.social.core.domain.keyboard.KeyBoard;
@@ -15,13 +17,15 @@ import org.sadtech.social.core.utils.Description;
 @EqualsAndHashCode
 @ToString
 @Getter
+@Builder(toBuilder = true)
 public class BoxAnswer {
 
+    @Setter
     @Description("Обычное текстовое сообщение")
     private String message;
 
     @Description("Клавиатура - меню")
-    private KeyBoard keyboard;
+    private KeyBoard keyBoard;
 
     @Description("Географические координаты")
     private GeoCoordinate coordinates;
@@ -29,59 +33,4 @@ public class BoxAnswer {
     @Description("Идентификатор стикера")
     private Integer stickerId;
 
-    private BoxAnswer() {
-
-    }
-
-    private BoxAnswer(BoxAnswer target) {
-        if (target != null) {
-            this.message = target.getMessage();
-            this.keyboard = target.getKeyboard();
-            this.coordinates = target.getCoordinates();
-            this.stickerId = target.getStickerId();
-        }
-    }
-
-    public void setMessage(String message) {
-        this.message = message;
-    }
-
-    public BoxAnswer prototype() {
-        return new BoxAnswer(this);
-    }
-
-    public static Builder builder() {
-        return new BoxAnswer().new Builder();
-    }
-
-    public class Builder {
-        private Builder() {
-
-        }
-
-        public Builder message(String message) {
-            BoxAnswer.this.message = message;
-            return this;
-        }
-
-        public Builder keyBoard(KeyBoard keyBoard) {
-            BoxAnswer.this.keyboard = keyBoard;
-            return this;
-        }
-
-        public Builder coordinate(Float lat, Float aLong) {
-            BoxAnswer.this.coordinates = new GeoCoordinate(lat, aLong);
-            return this;
-        }
-
-        public Builder steckerId(Integer stickerId) {
-            BoxAnswer.this.stickerId = stickerId;
-            return this;
-        }
-
-        public BoxAnswer build() {
-            return BoxAnswer.this;
-        }
-    }
-
 }