[feature] FieldNameConstants now works like Builder: Make whatever bits it does by hand and lombok fills in whatever is missing.

test/transform/resource/before/FieldNameConstantsHandrolled.java

@@ -0,0 +1,33 @@
+import lombok.experimental.FieldNameConstants;
+import lombok.AccessLevel;
+
+@FieldNameConstants(asEnum = true, innerTypeName = "TypeTest")
+class FieldNameConstantsHandrolled1 {
+	int field1, alsoAField, thirdField;
+	
+	public enum TypeTest {
+		field1
+	}
+}
+
+@FieldNameConstants(asEnum = true, innerTypeName = "TypeTest")
+class FieldNameConstantsHandrolled2 {
+	int field1, alsoAField, thirdField;
+	
+	public enum TypeTest {
+		field1;
+		
+		public String foo() {
+			return name();
+		}
+	}
+}
+
+@FieldNameConstants
+class FieldNameConstantsHandrolled3 {
+	int field1, alsoAField, thirdField;
+	
+	static class Fields {
+		public static final int alsoAField = 5;
+	}
+}