diff --git a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsAccessTokenCB.java b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsAccessTokenCB.java
index 6a3223e6472446dfff23ae9d704f1349f10f7d41..46e95ccbafb4cb73feaa80210f243df343826df6 100644
--- a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsAccessTokenCB.java
+++ b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsAccessTokenCB.java
@@ -166,7 +166,7 @@ public class BsAccessTokenCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsBadWordCB.java b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsBadWordCB.java
index caa23fcb5c60be0707b113a70ccac556e0684e2c..9f99bb746fa204c294fd7176f6b2f0d7a6e9b09e 100644
--- a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsBadWordCB.java
+++ b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsBadWordCB.java
@@ -166,7 +166,7 @@ public class BsBadWordCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsBoostDocumentRuleCB.java b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsBoostDocumentRuleCB.java
index 903d332cd8ce4215a0b9de9002238c538b23f2a8..1abfc435b7f7fd42b7b031ac7fbc56f0fbd02236 100644
--- a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsBoostDocumentRuleCB.java
+++ b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsBoostDocumentRuleCB.java
@@ -166,7 +166,7 @@ public class BsBoostDocumentRuleCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsCrawlingInfoCB.java b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsCrawlingInfoCB.java
index b3315760d4cd1185b2a294910151d973d98dfaf9..86ec5d114778449ca432f186775f1a841d14a646 100644
--- a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsCrawlingInfoCB.java
+++ b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsCrawlingInfoCB.java
@@ -166,7 +166,7 @@ public class BsCrawlingInfoCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsCrawlingInfoParamCB.java b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsCrawlingInfoParamCB.java
index c82789d547c61b0a71541dd5dc30f7db50d633b0..3f73fcee70fd368ef63f51074af69cdf6c051710 100644
--- a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsCrawlingInfoParamCB.java
+++ b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsCrawlingInfoParamCB.java
@@ -166,7 +166,7 @@ public class BsCrawlingInfoParamCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsDataConfigCB.java b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsDataConfigCB.java
index 32d45a129ed1a353e7a4b2f1cb098ec1ca4b90d1..e80bf2ae63401edbaebf5c7a23a0cb175114d844 100644
--- a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsDataConfigCB.java
+++ b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsDataConfigCB.java
@@ -166,7 +166,7 @@ public class BsDataConfigCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsDuplicateHostCB.java b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsDuplicateHostCB.java
index 1cd05f04e405dc77ff7a388ea086375d2a605fb8..429b880b5752f7b3d5bfa20b28a8322b7ca385bd 100644
--- a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsDuplicateHostCB.java
+++ b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsDuplicateHostCB.java
@@ -166,7 +166,7 @@ public class BsDuplicateHostCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsElevateWordCB.java b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsElevateWordCB.java
index 1e35b681b37ad6fa50617b5fd4714056c05ca5f3..1e538a110dec5a68fbaa6c9d526e9aab77cdeb6b 100644
--- a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsElevateWordCB.java
+++ b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsElevateWordCB.java
@@ -166,7 +166,7 @@ public class BsElevateWordCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsElevateWordToLabelCB.java b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsElevateWordToLabelCB.java
index 5e837b69e4f607c724f401c0da1b1553a73875bd..f191e2cac83db574891e9f4b41545ac298258fda 100644
--- a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsElevateWordToLabelCB.java
+++ b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsElevateWordToLabelCB.java
@@ -166,7 +166,7 @@ public class BsElevateWordToLabelCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsFailureUrlCB.java b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsFailureUrlCB.java
index 1c8bde426bbd966709296ab5ad58c642d31a368a..28ef3e76014ad0275556b98b61aadde3e942f5d6 100644
--- a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsFailureUrlCB.java
+++ b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsFailureUrlCB.java
@@ -166,7 +166,7 @@ public class BsFailureUrlCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsFileAuthenticationCB.java b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsFileAuthenticationCB.java
index de751d3b3e24c6b3a249c1507756c513583e9744..ddcfa8a3a78199847a6fba7d583cffd12debaae2 100644
--- a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsFileAuthenticationCB.java
+++ b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsFileAuthenticationCB.java
@@ -166,7 +166,7 @@ public class BsFileAuthenticationCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsFileConfigCB.java b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsFileConfigCB.java
index a750c833157f7e5606183d8543e07542295cd38a..46fb083876641ea0a0ce3e5b5687a0dbd0a439e3 100644
--- a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsFileConfigCB.java
+++ b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsFileConfigCB.java
@@ -166,7 +166,7 @@ public class BsFileConfigCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsJobLogCB.java b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsJobLogCB.java
index 256065f1d9ea4781f7c4f34640b72d5edfa25f0c..da5af027fce1476ad19c843711ad3c7c1c606a6f 100644
--- a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsJobLogCB.java
+++ b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsJobLogCB.java
@@ -166,7 +166,7 @@ public class BsJobLogCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsKeyMatchCB.java b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsKeyMatchCB.java
index 117eb4b15dad953e41a3cccc183dde9da5a6b079..e4826675cc6e26110601dac48255dd3c93b40933 100644
--- a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsKeyMatchCB.java
+++ b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsKeyMatchCB.java
@@ -166,7 +166,7 @@ public class BsKeyMatchCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsLabelTypeCB.java b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsLabelTypeCB.java
index e191f543656ce9cbbd9899d30636ae3b2f3ab415..c047a8d8c799308fefeff4e575ea4ed7086152a4 100644
--- a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsLabelTypeCB.java
+++ b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsLabelTypeCB.java
@@ -166,7 +166,7 @@ public class BsLabelTypeCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsPathMappingCB.java b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsPathMappingCB.java
index 4e04fae4e06de3e228204377112fca584aa4908a..0d54c341ec7a27e99c7e766ee71bcdf6d006fbcf 100644
--- a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsPathMappingCB.java
+++ b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsPathMappingCB.java
@@ -166,7 +166,7 @@ public class BsPathMappingCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsRelatedContentCB.java b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsRelatedContentCB.java
index 39e59725d70ae7cdc3d03da3e6769043100dcdf8..629d8b65e884ea1d08adfcc7bb17ea2100c2e913 100644
--- a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsRelatedContentCB.java
+++ b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsRelatedContentCB.java
@@ -166,7 +166,7 @@ public class BsRelatedContentCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsRelatedQueryCB.java b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsRelatedQueryCB.java
index 1b7d82f7026b27a20eec49973c075b486769e017..2b7cf9fce0929bfbb17820a6ec9831a92064c137 100644
--- a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsRelatedQueryCB.java
+++ b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsRelatedQueryCB.java
@@ -166,7 +166,7 @@ public class BsRelatedQueryCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsRequestHeaderCB.java b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsRequestHeaderCB.java
index 2fb7a293081226f435116cf4dd4e5397cc8b093a..c71cbe3897892b6f7f8f7b4c253de0ccbb039fb8 100644
--- a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsRequestHeaderCB.java
+++ b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsRequestHeaderCB.java
@@ -166,7 +166,7 @@ public class BsRequestHeaderCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsRoleTypeCB.java b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsRoleTypeCB.java
index 025e4306695b2c93478964e303b7af01022cc114..547c19c67294f764d41f99132855c75ed564c53c 100644
--- a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsRoleTypeCB.java
+++ b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsRoleTypeCB.java
@@ -166,7 +166,7 @@ public class BsRoleTypeCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsScheduledJobCB.java b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsScheduledJobCB.java
index e35980fc8cba2c7c742666072f2a14bc6a1176bc..8ff6dfe8f4e7150eee4d4b856bdc53cf69083fd7 100644
--- a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsScheduledJobCB.java
+++ b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsScheduledJobCB.java
@@ -166,7 +166,7 @@ public class BsScheduledJobCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsThumbnailQueueCB.java b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsThumbnailQueueCB.java
index 4c780f357de7b1849b6eaf0ee1002d4b517bdec2..d0155df21952965a94df4fca98136f2791b1d981 100644
--- a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsThumbnailQueueCB.java
+++ b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsThumbnailQueueCB.java
@@ -166,7 +166,7 @@ public class BsThumbnailQueueCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsWebAuthenticationCB.java b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsWebAuthenticationCB.java
index 7adaea74980dab6184800a45b6a771cbe038ee95..a94adcc9509b21a57928601bcd91f91dab6f2191 100644
--- a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsWebAuthenticationCB.java
+++ b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsWebAuthenticationCB.java
@@ -166,7 +166,7 @@ public class BsWebAuthenticationCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsWebConfigCB.java b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsWebConfigCB.java
index b42a9bab9099aeb8afac8bed80be25c7356e2293..90a401afdfee36b556b2cb635f7e6911358a911a 100644
--- a/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsWebConfigCB.java
+++ b/src/main/java/org/codelibs/fess/es/config/cbean/bs/BsWebConfigCB.java
@@ -166,7 +166,7 @@ public class BsWebConfigCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/log/cbean/bs/BsClickLogCB.java b/src/main/java/org/codelibs/fess/es/log/cbean/bs/BsClickLogCB.java
index ca4867d3ad342564b05b5685a391fc85ad6b9a54..5580ad4762b53c0fc38f0b81287fe2f28d5a8e4c 100644
--- a/src/main/java/org/codelibs/fess/es/log/cbean/bs/BsClickLogCB.java
+++ b/src/main/java/org/codelibs/fess/es/log/cbean/bs/BsClickLogCB.java
@@ -166,7 +166,7 @@ public class BsClickLogCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/log/cbean/bs/BsFavoriteLogCB.java b/src/main/java/org/codelibs/fess/es/log/cbean/bs/BsFavoriteLogCB.java
index 945d81ef2ccc12625d48e0289397427fafb009ca..3dedc903d45505e7b41773351ae12583b9affd0e 100644
--- a/src/main/java/org/codelibs/fess/es/log/cbean/bs/BsFavoriteLogCB.java
+++ b/src/main/java/org/codelibs/fess/es/log/cbean/bs/BsFavoriteLogCB.java
@@ -166,7 +166,7 @@ public class BsFavoriteLogCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/log/cbean/bs/BsSearchLogCB.java b/src/main/java/org/codelibs/fess/es/log/cbean/bs/BsSearchLogCB.java
index 3e79317f45290bebf21da8763633222631a87bd3..66fb5d35dcb02afa7aa929431513a596a7698630 100644
--- a/src/main/java/org/codelibs/fess/es/log/cbean/bs/BsSearchLogCB.java
+++ b/src/main/java/org/codelibs/fess/es/log/cbean/bs/BsSearchLogCB.java
@@ -166,7 +166,7 @@ public class BsSearchLogCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/log/cbean/bs/BsUserInfoCB.java b/src/main/java/org/codelibs/fess/es/log/cbean/bs/BsUserInfoCB.java
index d7c1debe9a67d21fbd0ebe06453e7a191152b424..23a121d981063cd6105a6bda435d4e6c08202367 100644
--- a/src/main/java/org/codelibs/fess/es/log/cbean/bs/BsUserInfoCB.java
+++ b/src/main/java/org/codelibs/fess/es/log/cbean/bs/BsUserInfoCB.java
@@ -166,7 +166,7 @@ public class BsUserInfoCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/user/cbean/bs/BsGroupCB.java b/src/main/java/org/codelibs/fess/es/user/cbean/bs/BsGroupCB.java
index d68bdf7c8b8db020f32e0bdd3cd86237f2468b7b..458bb45225be74e5d8ea5ed5c78a9690c28b01cb 100644
--- a/src/main/java/org/codelibs/fess/es/user/cbean/bs/BsGroupCB.java
+++ b/src/main/java/org/codelibs/fess/es/user/cbean/bs/BsGroupCB.java
@@ -166,7 +166,7 @@ public class BsGroupCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/user/cbean/bs/BsRoleCB.java b/src/main/java/org/codelibs/fess/es/user/cbean/bs/BsRoleCB.java
index 22143ce670a4d878ce0be994329cfa65c221e079..4384c068d07d145fec20233b5c27dcd6d11747ff 100644
--- a/src/main/java/org/codelibs/fess/es/user/cbean/bs/BsRoleCB.java
+++ b/src/main/java/org/codelibs/fess/es/user/cbean/bs/BsRoleCB.java
@@ -166,7 +166,7 @@ public class BsRoleCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);
diff --git a/src/main/java/org/codelibs/fess/es/user/cbean/bs/BsUserCB.java b/src/main/java/org/codelibs/fess/es/user/cbean/bs/BsUserCB.java
index 2e5af26dbf17d29c5610777a0d8f77bca469e89f..5ec3666061a19544f0d4c3972e3e46b5517455f0 100644
--- a/src/main/java/org/codelibs/fess/es/user/cbean/bs/BsUserCB.java
+++ b/src/main/java/org/codelibs/fess/es/user/cbean/bs/BsUserCB.java
@@ -166,7 +166,7 @@ public class BsUserCB extends EsAbstractConditionBean {
     }
 
     public static class HpSpecification {
-        private List<String> columnList = new ArrayList<>();
+        protected List<String> columnList = new ArrayList<>();
 
         private void doColumn(String name) {
             columnList.add(name);