http://git-wip-us.apache.org/repos/asf/hbase/blob/a3c5a744/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/protobuf/generated/AdminProtos.java
----------------------------------------------------------------------
diff --git 
a/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/protobuf/generated/AdminProtos.java
 
b/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/protobuf/generated/AdminProtos.java
index 812cf3b..711b9c8 100644
--- 
a/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/protobuf/generated/AdminProtos.java
+++ 
b/hbase-protocol-shaded/src/main/java/org/apache/hadoop/hbase/shaded/protobuf/generated/AdminProtos.java
@@ -728,40 +728,6 @@ public final class AdminProtos {
      * <code>optional bool isRecovering = 3;</code>
      */
     boolean getIsRecovering();
-
-    /**
-     * <pre>
-     * True if region is splittable, false otherwise.
-     * </pre>
-     *
-     * <code>optional bool splittable = 4;</code>
-     */
-    boolean hasSplittable();
-    /**
-     * <pre>
-     * True if region is splittable, false otherwise.
-     * </pre>
-     *
-     * <code>optional bool splittable = 4;</code>
-     */
-    boolean getSplittable();
-
-    /**
-     * <pre>
-     * True if region is mergeable, false otherwise.
-     * </pre>
-     *
-     * <code>optional bool mergeable = 5;</code>
-     */
-    boolean hasMergeable();
-    /**
-     * <pre>
-     * True if region is mergeable, false otherwise.
-     * </pre>
-     *
-     * <code>optional bool mergeable = 5;</code>
-     */
-    boolean getMergeable();
   }
   /**
    * Protobuf type {@code hbase.pb.GetRegionInfoResponse}
@@ -777,8 +743,6 @@ public final class AdminProtos {
     private GetRegionInfoResponse() {
       compactionState_ = 0;
       isRecovering_ = false;
-      splittable_ = false;
-      mergeable_ = false;
     }
 
     @java.lang.Override
@@ -838,16 +802,6 @@ public final class AdminProtos {
               isRecovering_ = input.readBool();
               break;
             }
-            case 32: {
-              bitField0_ |= 0x00000008;
-              splittable_ = input.readBool();
-              break;
-            }
-            case 40: {
-              bitField0_ |= 0x00000010;
-              mergeable_ = input.readBool();
-              break;
-            }
           }
         }
       } catch 
(org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException
 e) {
@@ -1033,52 +987,6 @@ public final class AdminProtos {
       return isRecovering_;
     }
 
-    public static final int SPLITTABLE_FIELD_NUMBER = 4;
-    private boolean splittable_;
-    /**
-     * <pre>
-     * True if region is splittable, false otherwise.
-     * </pre>
-     *
-     * <code>optional bool splittable = 4;</code>
-     */
-    public boolean hasSplittable() {
-      return ((bitField0_ & 0x00000008) == 0x00000008);
-    }
-    /**
-     * <pre>
-     * True if region is splittable, false otherwise.
-     * </pre>
-     *
-     * <code>optional bool splittable = 4;</code>
-     */
-    public boolean getSplittable() {
-      return splittable_;
-    }
-
-    public static final int MERGEABLE_FIELD_NUMBER = 5;
-    private boolean mergeable_;
-    /**
-     * <pre>
-     * True if region is mergeable, false otherwise.
-     * </pre>
-     *
-     * <code>optional bool mergeable = 5;</code>
-     */
-    public boolean hasMergeable() {
-      return ((bitField0_ & 0x00000010) == 0x00000010);
-    }
-    /**
-     * <pre>
-     * True if region is mergeable, false otherwise.
-     * </pre>
-     *
-     * <code>optional bool mergeable = 5;</code>
-     */
-    public boolean getMergeable() {
-      return mergeable_;
-    }
-
     private byte memoizedIsInitialized = -1;
     public final boolean isInitialized() {
       byte isInitialized = memoizedIsInitialized;
@@ -1108,12 +1016,6 @@ public final class AdminProtos {
       if (((bitField0_ & 0x00000004) == 0x00000004)) {
         output.writeBool(3, isRecovering_);
       }
-      if (((bitField0_ & 0x00000008) == 0x00000008)) {
-        output.writeBool(4, splittable_);
-      }
-      if (((bitField0_ & 0x00000010) == 0x00000010)) {
-        output.writeBool(5, mergeable_);
-      }
       unknownFields.writeTo(output);
     }
 
@@ -1134,14 +1036,6 @@ public final class AdminProtos {
         size += 
org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedOutputStream
           .computeBoolSize(3, isRecovering_);
       }
-      if (((bitField0_ & 0x00000008) == 0x00000008)) {
-        size += 
org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedOutputStream
-          .computeBoolSize(4, splittable_);
-      }
-      if (((bitField0_ & 0x00000010) == 0x00000010)) {
-        size += 
org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedOutputStream
-          .computeBoolSize(5, mergeable_);
-      }
       size += unknownFields.getSerializedSize();
       memoizedSize = size;
       return size;
@@ -1173,16 +1067,6 @@ public final class AdminProtos {
         result = result && (getIsRecovering()
             == other.getIsRecovering());
       }
-      result = result && (hasSplittable() == other.hasSplittable());
-      if (hasSplittable()) {
-        result = result && (getSplittable()
-            == other.getSplittable());
-      }
-      result = result && (hasMergeable() == other.hasMergeable());
-      if (hasMergeable()) {
-        result = result && (getMergeable()
-            == other.getMergeable());
-      }
       result = result && unknownFields.equals(other.unknownFields);
       return result;
     }
@@ -1207,16 +1091,6 @@ public final class AdminProtos {
         hash = (53 * hash) + 
org.apache.hadoop.hbase.shaded.com.google.protobuf.Internal.hashBoolean(
             getIsRecovering());
       }
-      if (hasSplittable()) {
-        hash = (37 * hash) + SPLITTABLE_FIELD_NUMBER;
-        hash = (53 * hash) + 
org.apache.hadoop.hbase.shaded.com.google.protobuf.Internal.hashBoolean(
-            getSplittable());
-      }
-      if (hasMergeable()) {
-        hash = (37 * hash) + MERGEABLE_FIELD_NUMBER;
-        hash = (53 * hash) + 
org.apache.hadoop.hbase.shaded.com.google.protobuf.Internal.hashBoolean(
-            getMergeable());
-      }
       hash = (29 * hash) + unknownFields.hashCode();
       memoizedHashCode = hash;
       return hash;
@@ -1346,10 +1220,6 @@ public final class AdminProtos {
         bitField0_ = (bitField0_ & ~0x00000002);
         isRecovering_ = false;
         bitField0_ = (bitField0_ & ~0x00000004);
-        splittable_ = false;
-        bitField0_ = (bitField0_ & ~0x00000008);
-        mergeable_ = false;
-        bitField0_ = (bitField0_ & ~0x00000010);
         return this;
       }
 
@@ -1390,14 +1260,6 @@ public final class AdminProtos {
           to_bitField0_ |= 0x00000004;
         }
         result.isRecovering_ = isRecovering_;
-        if (((from_bitField0_ & 0x00000008) == 0x00000008)) {
-          to_bitField0_ |= 0x00000008;
-        }
-        result.splittable_ = splittable_;
-        if (((from_bitField0_ & 0x00000010) == 0x00000010)) {
-          to_bitField0_ |= 0x00000010;
-        }
-        result.mergeable_ = mergeable_;
         result.bitField0_ = to_bitField0_;
         onBuilt();
         return result;
@@ -1449,12 +1311,6 @@ public final class AdminProtos {
         if (other.hasIsRecovering()) {
           setIsRecovering(other.getIsRecovering());
         }
-        if (other.hasSplittable()) {
-          setSplittable(other.getSplittable());
-        }
-        if (other.hasMergeable()) {
-          setMergeable(other.getMergeable());
-        }
         this.mergeUnknownFields(other.unknownFields);
         onChanged();
         return this;
@@ -1674,102 +1530,6 @@ public final class AdminProtos {
         onChanged();
         return this;
       }
-
-      private boolean splittable_ ;
-      /**
-       * <pre>
-       * True if region is splittable, false otherwise.
-       * </pre>
-       *
-       * <code>optional bool splittable = 4;</code>
-       */
-      public boolean hasSplittable() {
-        return ((bitField0_ & 0x00000008) == 0x00000008);
-      }
-      /**
-       * <pre>
-       * True if region is splittable, false otherwise.
-       * </pre>
-       *
-       * <code>optional bool splittable = 4;</code>
-       */
-      public boolean getSplittable() {
-        return splittable_;
-      }
-      /**
-       * <pre>
-       * True if region is splittable, false otherwise.
-       * </pre>
-       *
-       * <code>optional bool splittable = 4;</code>
-       */
-      public Builder setSplittable(boolean value) {
-        bitField0_ |= 0x00000008;
-        splittable_ = value;
-        onChanged();
-        return this;
-      }
-      /**
-       * <pre>
-       * True if region is splittable, false otherwise.
-       * </pre>
-       *
-       * <code>optional bool splittable = 4;</code>
-       */
-      public Builder clearSplittable() {
-        bitField0_ = (bitField0_ & ~0x00000008);
-        splittable_ = false;
-        onChanged();
-        return this;
-      }
-
-      private boolean mergeable_ ;
-      /**
-       * <pre>
-       * True if region is mergeable, false otherwise.
-       * </pre>
-       *
-       * <code>optional bool mergeable = 5;</code>
-       */
-      public boolean hasMergeable() {
-        return ((bitField0_ & 0x00000010) == 0x00000010);
-      }
-      /**
-       * <pre>
-       * True if region is mergeable, false otherwise.
-       * </pre>
-       *
-       * <code>optional bool mergeable = 5;</code>
-       */
-      public boolean getMergeable() {
-        return mergeable_;
-      }
-      /**
-       * <pre>
-       * True if region is mergeable, false otherwise.
-       * </pre>
-       *
-       * <code>optional bool mergeable = 5;</code>
-       */
-      public Builder setMergeable(boolean value) {
-        bitField0_ |= 0x00000010;
-        mergeable_ = value;
-        onChanged();
-        return this;
-      }
-      /**
-       * <pre>
-       * True if region is mergeable, false otherwise.
-       * </pre>
-       *
-       * <code>optional bool mergeable = 5;</code>
-       */
-      public Builder clearMergeable() {
-        bitField0_ = (bitField0_ & ~0x00000010);
-        mergeable_ = false;
-        onChanged();
-        return this;
-      }
       public final Builder setUnknownFields(
           final 
org.apache.hadoop.hbase.shaded.com.google.protobuf.UnknownFieldSet 
unknownFields) {
         return super.setUnknownFields(unknownFields);
@@ -9654,70 +9414,53 @@ public final class AdminProtos {
 
   }
 
-  public interface FlushRegionRequestOrBuilder extends
-      // 
@@protoc_insertion_point(interface_extends:hbase.pb.FlushRegionRequest)
+  public interface CloseRegionForSplitOrMergeRequestOrBuilder extends
+      // 
@@protoc_insertion_point(interface_extends:hbase.pb.CloseRegionForSplitOrMergeRequest)
       org.apache.hadoop.hbase.shaded.com.google.protobuf.MessageOrBuilder {
 
     /**
-     * <code>required .hbase.pb.RegionSpecifier region = 1;</code>
-     */
-    boolean hasRegion();
-    /**
-     * <code>required .hbase.pb.RegionSpecifier region = 1;</code>
-     */
-    
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier 
getRegion();
-    /**
-     * <code>required .hbase.pb.RegionSpecifier region = 1;</code>
+     * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
      */
-    
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifierOrBuilder
 getRegionOrBuilder();
-
+    
java.util.List<org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier>
 
+        getRegionList();
     /**
-     * <code>optional uint64 if_older_than_ts = 2;</code>
+     * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
      */
-    boolean hasIfOlderThanTs();
+    
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier 
getRegion(int index);
     /**
-     * <code>optional uint64 if_older_than_ts = 2;</code>
+     * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
      */
-    long getIfOlderThanTs();
-
+    int getRegionCount();
     /**
-     * <pre>
-     * whether to write a marker to WAL even if not flushed
-     * </pre>
-     *
-     * <code>optional bool write_flush_wal_marker = 3;</code>
+     * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
      */
-    boolean hasWriteFlushWalMarker();
+    java.util.List<? extends 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifierOrBuilder>
 
+        getRegionOrBuilderList();
     /**
-     * <pre>
-     * whether to write a marker to WAL even if not flushed
-     * </pre>
-     *
-     * <code>optional bool write_flush_wal_marker = 3;</code>
+     * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
      */
-    boolean getWriteFlushWalMarker();
+    
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifierOrBuilder
 getRegionOrBuilder(
+        int index);
   }
   /**
    * <pre>
    **
-   * Flushes the MemStore of the specified region.
-   * &lt;p&gt;
-   * This method is synchronous.
+   * Closes the specified region(s) for
+   * split or merge
    * </pre>
    *
-   * Protobuf type {@code hbase.pb.FlushRegionRequest}
+   * Protobuf type {@code hbase.pb.CloseRegionForSplitOrMergeRequest}
    */
-  public  static final class FlushRegionRequest extends
+  public  static final class CloseRegionForSplitOrMergeRequest extends
       org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3 
implements
-      // 
@@protoc_insertion_point(message_implements:hbase.pb.FlushRegionRequest)
-      FlushRegionRequestOrBuilder {
-    // Use FlushRegionRequest.newBuilder() to construct.
-    private 
FlushRegionRequest(org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.Builder<?>
 builder) {
+      // 
@@protoc_insertion_point(message_implements:hbase.pb.CloseRegionForSplitOrMergeRequest)
+      CloseRegionForSplitOrMergeRequestOrBuilder {
+    // Use CloseRegionForSplitOrMergeRequest.newBuilder() to construct.
+    private 
CloseRegionForSplitOrMergeRequest(org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.Builder<?>
 builder) {
       super(builder);
     }
-    private FlushRegionRequest() {
-      ifOlderThanTs_ = 0L;
-      writeFlushWalMarker_ = false;
+    private CloseRegionForSplitOrMergeRequest() {
+      region_ = java.util.Collections.emptyList();
     }
 
     @java.lang.Override
@@ -9725,7 +9468,7 @@ public final class AdminProtos {
     getUnknownFields() {
       return this.unknownFields;
     }
-    private FlushRegionRequest(
+    private CloseRegionForSplitOrMergeRequest(
         org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedInputStream 
input,
         
org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite 
extensionRegistry)
         throws 
org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException
 {
@@ -9749,26 +9492,12 @@ public final class AdminProtos {
               break;
             }
             case 10: {
-              
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.Builder
 subBuilder = null;
-              if (((bitField0_ & 0x00000001) == 0x00000001)) {
-                subBuilder = region_.toBuilder();
-              }
-              region_ = 
input.readMessage(org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.PARSER,
 extensionRegistry);
-              if (subBuilder != null) {
-                subBuilder.mergeFrom(region_);
-                region_ = subBuilder.buildPartial();
+              if (!((mutable_bitField0_ & 0x00000001) == 0x00000001)) {
+                region_ = new 
java.util.ArrayList<org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier>();
+                mutable_bitField0_ |= 0x00000001;
               }
-              bitField0_ |= 0x00000001;
-              break;
-            }
-            case 16: {
-              bitField0_ |= 0x00000002;
-              ifOlderThanTs_ = input.readUInt64();
-              break;
-            }
-            case 24: {
-              bitField0_ |= 0x00000004;
-              writeFlushWalMarker_ = input.readBool();
+              region_.add(
+                  
input.readMessage(org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.PARSER,
 extensionRegistry));
               break;
             }
           }
@@ -9779,80 +9508,58 @@ public final class AdminProtos {
         throw new 
org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException(
             e).setUnfinishedMessage(this);
       } finally {
+        if (((mutable_bitField0_ & 0x00000001) == 0x00000001)) {
+          region_ = java.util.Collections.unmodifiableList(region_);
+        }
         this.unknownFields = unknownFields.build();
         makeExtensionsImmutable();
       }
     }
     public static final 
org.apache.hadoop.hbase.shaded.com.google.protobuf.Descriptors.Descriptor
         getDescriptor() {
-      return 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.internal_static_hbase_pb_FlushRegionRequest_descriptor;
+      return 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.internal_static_hbase_pb_CloseRegionForSplitOrMergeRequest_descriptor;
     }
 
     protected 
org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.internal_static_hbase_pb_FlushRegionRequest_fieldAccessorTable
+      return 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.internal_static_hbase_pb_CloseRegionForSplitOrMergeRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest.class,
 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest.Builder.class);
+              
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest.class,
 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest.Builder.class);
     }
 
-    private int bitField0_;
     public static final int REGION_FIELD_NUMBER = 1;
-    private 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier 
region_;
+    private 
java.util.List<org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier>
 region_;
     /**
-     * <code>required .hbase.pb.RegionSpecifier region = 1;</code>
+     * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
      */
-    public boolean hasRegion() {
-      return ((bitField0_ & 0x00000001) == 0x00000001);
+    public 
java.util.List<org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier>
 getRegionList() {
+      return region_;
     }
     /**
-     * <code>required .hbase.pb.RegionSpecifier region = 1;</code>
+     * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
      */
-    public 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier 
getRegion() {
-      return region_ == null ? 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.getDefaultInstance()
 : region_;
+    public java.util.List<? extends 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifierOrBuilder>
 
+        getRegionOrBuilderList() {
+      return region_;
     }
     /**
-     * <code>required .hbase.pb.RegionSpecifier region = 1;</code>
+     * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
      */
-    public 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifierOrBuilder
 getRegionOrBuilder() {
-      return region_ == null ? 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.getDefaultInstance()
 : region_;
+    public int getRegionCount() {
+      return region_.size();
     }
-
-    public static final int IF_OLDER_THAN_TS_FIELD_NUMBER = 2;
-    private long ifOlderThanTs_;
     /**
-     * <code>optional uint64 if_older_than_ts = 2;</code>
+     * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
      */
-    public boolean hasIfOlderThanTs() {
-      return ((bitField0_ & 0x00000002) == 0x00000002);
+    public 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier 
getRegion(int index) {
+      return region_.get(index);
     }
     /**
-     * <code>optional uint64 if_older_than_ts = 2;</code>
+     * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
      */
-    public long getIfOlderThanTs() {
-      return ifOlderThanTs_;
-    }
-
-    public static final int WRITE_FLUSH_WAL_MARKER_FIELD_NUMBER = 3;
-    private boolean writeFlushWalMarker_;
-    /**
-     * <pre>
-     * whether to write a marker to WAL even if not flushed
-     * </pre>
-     *
-     * <code>optional bool write_flush_wal_marker = 3;</code>
-     */
-    public boolean hasWriteFlushWalMarker() {
-      return ((bitField0_ & 0x00000004) == 0x00000004);
-    }
-    /**
-     * <pre>
-     * whether to write a marker to WAL even if not flushed
-     * </pre>
-     *
-     * <code>optional bool write_flush_wal_marker = 3;</code>
-     */
-    public boolean getWriteFlushWalMarker() {
-      return writeFlushWalMarker_;
+    public 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifierOrBuilder
 getRegionOrBuilder(
+        int index) {
+      return region_.get(index);
     }
 
     private byte memoizedIsInitialized = -1;
@@ -9861,13 +9568,11 @@ public final class AdminProtos {
       if (isInitialized == 1) return true;
       if (isInitialized == 0) return false;
 
-      if (!hasRegion()) {
-        memoizedIsInitialized = 0;
-        return false;
-      }
-      if (!getRegion().isInitialized()) {
-        memoizedIsInitialized = 0;
-        return false;
+      for (int i = 0; i < getRegionCount(); i++) {
+        if (!getRegion(i).isInitialized()) {
+          memoizedIsInitialized = 0;
+          return false;
+        }
       }
       memoizedIsInitialized = 1;
       return true;
@@ -9875,14 +9580,8 @@ public final class AdminProtos {
 
     public void 
writeTo(org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedOutputStream 
output)
                         throws java.io.IOException {
-      if (((bitField0_ & 0x00000001) == 0x00000001)) {
-        output.writeMessage(1, getRegion());
-      }
-      if (((bitField0_ & 0x00000002) == 0x00000002)) {
-        output.writeUInt64(2, ifOlderThanTs_);
-      }
-      if (((bitField0_ & 0x00000004) == 0x00000004)) {
-        output.writeBool(3, writeFlushWalMarker_);
+      for (int i = 0; i < region_.size(); i++) {
+        output.writeMessage(1, region_.get(i));
       }
       unknownFields.writeTo(output);
     }
@@ -9892,17 +9591,9 @@ public final class AdminProtos {
       if (size != -1) return size;
 
       size = 0;
-      if (((bitField0_ & 0x00000001) == 0x00000001)) {
-        size += 
org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedOutputStream
-          .computeMessageSize(1, getRegion());
-      }
-      if (((bitField0_ & 0x00000002) == 0x00000002)) {
-        size += 
org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedOutputStream
-          .computeUInt64Size(2, ifOlderThanTs_);
-      }
-      if (((bitField0_ & 0x00000004) == 0x00000004)) {
+      for (int i = 0; i < region_.size(); i++) {
         size += 
org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedOutputStream
-          .computeBoolSize(3, writeFlushWalMarker_);
+          .computeMessageSize(1, region_.get(i));
       }
       size += unknownFields.getSerializedSize();
       memoizedSize = size;
@@ -9915,27 +9606,14 @@ public final class AdminProtos {
       if (obj == this) {
        return true;
       }
-      if (!(obj instanceof 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest))
 {
+      if (!(obj instanceof 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest))
 {
         return super.equals(obj);
       }
-      
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest
 other = 
(org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest)
 obj;
+      
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest
 other = 
(org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest)
 obj;
 
       boolean result = true;
-      result = result && (hasRegion() == other.hasRegion());
-      if (hasRegion()) {
-        result = result && getRegion()
-            .equals(other.getRegion());
-      }
-      result = result && (hasIfOlderThanTs() == other.hasIfOlderThanTs());
-      if (hasIfOlderThanTs()) {
-        result = result && (getIfOlderThanTs()
-            == other.getIfOlderThanTs());
-      }
-      result = result && (hasWriteFlushWalMarker() == 
other.hasWriteFlushWalMarker());
-      if (hasWriteFlushWalMarker()) {
-        result = result && (getWriteFlushWalMarker()
-            == other.getWriteFlushWalMarker());
-      }
+      result = result && getRegionList()
+          .equals(other.getRegionList());
       result = result && unknownFields.equals(other.unknownFields);
       return result;
     }
@@ -9947,77 +9625,67 @@ public final class AdminProtos {
       }
       int hash = 41;
       hash = (19 * hash) + getDescriptor().hashCode();
-      if (hasRegion()) {
+      if (getRegionCount() > 0) {
         hash = (37 * hash) + REGION_FIELD_NUMBER;
-        hash = (53 * hash) + getRegion().hashCode();
-      }
-      if (hasIfOlderThanTs()) {
-        hash = (37 * hash) + IF_OLDER_THAN_TS_FIELD_NUMBER;
-        hash = (53 * hash) + 
org.apache.hadoop.hbase.shaded.com.google.protobuf.Internal.hashLong(
-            getIfOlderThanTs());
-      }
-      if (hasWriteFlushWalMarker()) {
-        hash = (37 * hash) + WRITE_FLUSH_WAL_MARKER_FIELD_NUMBER;
-        hash = (53 * hash) + 
org.apache.hadoop.hbase.shaded.com.google.protobuf.Internal.hashBoolean(
-            getWriteFlushWalMarker());
+        hash = (53 * hash) + getRegionList().hashCode();
       }
       hash = (29 * hash) + unknownFields.hashCode();
       memoizedHashCode = hash;
       return hash;
     }
 
-    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest
 parseFrom(
+    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest
 parseFrom(
         org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString data)
         throws 
org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException
 {
       return PARSER.parseFrom(data);
     }
-    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest
 parseFrom(
+    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest
 parseFrom(
         org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString data,
         
org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite 
extensionRegistry)
         throws 
org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException
 {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest
 parseFrom(byte[] data)
+    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest
 parseFrom(byte[] data)
         throws 
org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException
 {
       return PARSER.parseFrom(data);
     }
-    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest
 parseFrom(
+    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest
 parseFrom(
         byte[] data,
         
org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite 
extensionRegistry)
         throws 
org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException
 {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest
 parseFrom(java.io.InputStream input)
+    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest
 parseFrom(java.io.InputStream input)
         throws java.io.IOException {
       return 
org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
           .parseWithIOException(PARSER, input);
     }
-    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest
 parseFrom(
+    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest
 parseFrom(
         java.io.InputStream input,
         
org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite 
extensionRegistry)
         throws java.io.IOException {
       return 
org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
           .parseWithIOException(PARSER, input, extensionRegistry);
     }
-    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest
 parseDelimitedFrom(java.io.InputStream input)
+    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest
 parseDelimitedFrom(java.io.InputStream input)
         throws java.io.IOException {
       return 
org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
           .parseDelimitedWithIOException(PARSER, input);
     }
-    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest
 parseDelimitedFrom(
+    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest
 parseDelimitedFrom(
         java.io.InputStream input,
         
org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite 
extensionRegistry)
         throws java.io.IOException {
       return 
org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
           .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
     }
-    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest
 parseFrom(
+    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest
 parseFrom(
         org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedInputStream 
input)
         throws java.io.IOException {
       return 
org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
           .parseWithIOException(PARSER, input);
     }
-    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest
 parseFrom(
+    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest
 parseFrom(
         org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedInputStream 
input,
         
org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite 
extensionRegistry)
         throws java.io.IOException {
@@ -10029,7 +9697,7 @@ public final class AdminProtos {
     public static Builder newBuilder() {
       return DEFAULT_INSTANCE.toBuilder();
     }
-    public static Builder 
newBuilder(org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest
 prototype) {
+    public static Builder 
newBuilder(org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest
 prototype) {
       return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
     }
     public Builder toBuilder() {
@@ -10046,30 +9714,29 @@ public final class AdminProtos {
     /**
      * <pre>
      **
-     * Flushes the MemStore of the specified region.
-     * &lt;p&gt;
-     * This method is synchronous.
+     * Closes the specified region(s) for
+     * split or merge
      * </pre>
      *
-     * Protobuf type {@code hbase.pb.FlushRegionRequest}
+     * Protobuf type {@code hbase.pb.CloseRegionForSplitOrMergeRequest}
      */
     public static final class Builder extends
         
org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.Builder<Builder>
 implements
-        // 
@@protoc_insertion_point(builder_implements:hbase.pb.FlushRegionRequest)
-        
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequestOrBuilder
 {
+        // 
@@protoc_insertion_point(builder_implements:hbase.pb.CloseRegionForSplitOrMergeRequest)
+        
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequestOrBuilder
 {
       public static final 
org.apache.hadoop.hbase.shaded.com.google.protobuf.Descriptors.Descriptor
           getDescriptor() {
-        return 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.internal_static_hbase_pb_FlushRegionRequest_descriptor;
+        return 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.internal_static_hbase_pb_CloseRegionForSplitOrMergeRequest_descriptor;
       }
 
       protected 
org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
           internalGetFieldAccessorTable() {
-        return 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.internal_static_hbase_pb_FlushRegionRequest_fieldAccessorTable
+        return 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.internal_static_hbase_pb_CloseRegionForSplitOrMergeRequest_fieldAccessorTable
             .ensureFieldAccessorsInitialized(
-                
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest.class,
 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest.Builder.class);
+                
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest.class,
 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest.Builder.class);
       }
 
-      // Construct using 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest.newBuilder()
+      // Construct using 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest.newBuilder()
       private Builder() {
         maybeForceBuilderInitialization();
       }
@@ -10088,56 +9755,43 @@ public final class AdminProtos {
       public Builder clear() {
         super.clear();
         if (regionBuilder_ == null) {
-          region_ = null;
+          region_ = java.util.Collections.emptyList();
+          bitField0_ = (bitField0_ & ~0x00000001);
         } else {
           regionBuilder_.clear();
         }
-        bitField0_ = (bitField0_ & ~0x00000001);
-        ifOlderThanTs_ = 0L;
-        bitField0_ = (bitField0_ & ~0x00000002);
-        writeFlushWalMarker_ = false;
-        bitField0_ = (bitField0_ & ~0x00000004);
         return this;
       }
 
       public 
org.apache.hadoop.hbase.shaded.com.google.protobuf.Descriptors.Descriptor
           getDescriptorForType() {
-        return 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.internal_static_hbase_pb_FlushRegionRequest_descriptor;
+        return 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.internal_static_hbase_pb_CloseRegionForSplitOrMergeRequest_descriptor;
       }
 
-      public 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest
 getDefaultInstanceForType() {
-        return 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest.getDefaultInstance();
+      public 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest
 getDefaultInstanceForType() {
+        return 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest.getDefaultInstance();
       }
 
-      public 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest
 build() {
-        
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest
 result = buildPartial();
+      public 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest
 build() {
+        
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest
 result = buildPartial();
         if (!result.isInitialized()) {
           throw newUninitializedMessageException(result);
         }
         return result;
       }
 
-      public 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest
 buildPartial() {
-        
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest
 result = new 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest(this);
+      public 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest
 buildPartial() {
+        
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest
 result = new 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest(this);
         int from_bitField0_ = bitField0_;
-        int to_bitField0_ = 0;
-        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
-          to_bitField0_ |= 0x00000001;
-        }
         if (regionBuilder_ == null) {
+          if (((bitField0_ & 0x00000001) == 0x00000001)) {
+            region_ = java.util.Collections.unmodifiableList(region_);
+            bitField0_ = (bitField0_ & ~0x00000001);
+          }
           result.region_ = region_;
         } else {
           result.region_ = regionBuilder_.build();
         }
-        if (((from_bitField0_ & 0x00000002) == 0x00000002)) {
-          to_bitField0_ |= 0x00000002;
-        }
-        result.ifOlderThanTs_ = ifOlderThanTs_;
-        if (((from_bitField0_ & 0x00000004) == 0x00000004)) {
-          to_bitField0_ |= 0x00000004;
-        }
-        result.writeFlushWalMarker_ = writeFlushWalMarker_;
-        result.bitField0_ = to_bitField0_;
         onBuilt();
         return result;
       }
@@ -10169,24 +9823,41 @@ public final class AdminProtos {
         return (Builder) super.addRepeatedField(field, value);
       }
       public Builder 
mergeFrom(org.apache.hadoop.hbase.shaded.com.google.protobuf.Message other) {
-        if (other instanceof 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest)
 {
-          return 
mergeFrom((org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest)other);
+        if (other instanceof 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest)
 {
+          return 
mergeFrom((org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest)other);
         } else {
           super.mergeFrom(other);
           return this;
         }
       }
 
-      public Builder 
mergeFrom(org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest
 other) {
-        if (other == 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest.getDefaultInstance())
 return this;
-        if (other.hasRegion()) {
-          mergeRegion(other.getRegion());
-        }
-        if (other.hasIfOlderThanTs()) {
-          setIfOlderThanTs(other.getIfOlderThanTs());
-        }
-        if (other.hasWriteFlushWalMarker()) {
-          setWriteFlushWalMarker(other.getWriteFlushWalMarker());
+      public Builder 
mergeFrom(org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest
 other) {
+        if (other == 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest.getDefaultInstance())
 return this;
+        if (regionBuilder_ == null) {
+          if (!other.region_.isEmpty()) {
+            if (region_.isEmpty()) {
+              region_ = other.region_;
+              bitField0_ = (bitField0_ & ~0x00000001);
+            } else {
+              ensureRegionIsMutable();
+              region_.addAll(other.region_);
+            }
+            onChanged();
+          }
+        } else {
+          if (!other.region_.isEmpty()) {
+            if (regionBuilder_.isEmpty()) {
+              regionBuilder_.dispose();
+              regionBuilder_ = null;
+              region_ = other.region_;
+              bitField0_ = (bitField0_ & ~0x00000001);
+              regionBuilder_ = 
+                
org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
 ?
+                   getRegionFieldBuilder() : null;
+            } else {
+              regionBuilder_.addAllMessages(other.region_);
+            }
+          }
         }
         this.mergeUnknownFields(other.unknownFields);
         onChanged();
@@ -10194,11 +9865,10 @@ public final class AdminProtos {
       }
 
       public final boolean isInitialized() {
-        if (!hasRegion()) {
-          return false;
-        }
-        if (!getRegion().isInitialized()) {
-          return false;
+        for (int i = 0; i < getRegionCount(); i++) {
+          if (!getRegion(i).isInitialized()) {
+            return false;
+          }
         }
         return true;
       }
@@ -10207,11 +9877,11 @@ public final class AdminProtos {
           org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedInputStream 
input,
           
org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite 
extensionRegistry)
           throws java.io.IOException {
-        
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest
 parsedMessage = null;
+        
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest
 parsedMessage = null;
         try {
           parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
         } catch 
(org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException
 e) {
-          parsedMessage = 
(org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest)
 e.getUnfinishedMessage();
+          parsedMessage = 
(org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest)
 e.getUnfinishedMessage();
           throw e.unwrapIOException();
         } finally {
           if (parsedMessage != null) {
@@ -10222,202 +9892,244 @@ public final class AdminProtos {
       }
       private int bitField0_;
 
-      private 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier 
region_ = null;
-      private 
org.apache.hadoop.hbase.shaded.com.google.protobuf.SingleFieldBuilderV3<
+      private 
java.util.List<org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier>
 region_ =
+        java.util.Collections.emptyList();
+      private void ensureRegionIsMutable() {
+        if (!((bitField0_ & 0x00000001) == 0x00000001)) {
+          region_ = new 
java.util.ArrayList<org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier>(region_);
+          bitField0_ |= 0x00000001;
+         }
+      }
+
+      private 
org.apache.hadoop.hbase.shaded.com.google.protobuf.RepeatedFieldBuilderV3<
           
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier, 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.Builder,
 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifierOrBuilder>
 regionBuilder_;
+
       /**
-       * <code>required .hbase.pb.RegionSpecifier region = 1;</code>
+       * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
        */
-      public boolean hasRegion() {
-        return ((bitField0_ & 0x00000001) == 0x00000001);
+      public 
java.util.List<org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier>
 getRegionList() {
+        if (regionBuilder_ == null) {
+          return java.util.Collections.unmodifiableList(region_);
+        } else {
+          return regionBuilder_.getMessageList();
+        }
       }
       /**
-       * <code>required .hbase.pb.RegionSpecifier region = 1;</code>
+       * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
        */
-      public 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier 
getRegion() {
+      public int getRegionCount() {
         if (regionBuilder_ == null) {
-          return region_ == null ? 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.getDefaultInstance()
 : region_;
+          return region_.size();
         } else {
-          return regionBuilder_.getMessage();
+          return regionBuilder_.getCount();
         }
       }
       /**
-       * <code>required .hbase.pb.RegionSpecifier region = 1;</code>
+       * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
        */
-      public Builder 
setRegion(org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier
 value) {
+      public 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier 
getRegion(int index) {
+        if (regionBuilder_ == null) {
+          return region_.get(index);
+        } else {
+          return regionBuilder_.getMessage(index);
+        }
+      }
+      /**
+       * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
+       */
+      public Builder setRegion(
+          int index, 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier 
value) {
         if (regionBuilder_ == null) {
           if (value == null) {
             throw new NullPointerException();
           }
-          region_ = value;
+          ensureRegionIsMutable();
+          region_.set(index, value);
           onChanged();
         } else {
-          regionBuilder_.setMessage(value);
+          regionBuilder_.setMessage(index, value);
         }
-        bitField0_ |= 0x00000001;
         return this;
       }
       /**
-       * <code>required .hbase.pb.RegionSpecifier region = 1;</code>
+       * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
        */
       public Builder setRegion(
-          
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.Builder
 builderForValue) {
+          int index, 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.Builder
 builderForValue) {
         if (regionBuilder_ == null) {
-          region_ = builderForValue.build();
+          ensureRegionIsMutable();
+          region_.set(index, builderForValue.build());
           onChanged();
         } else {
-          regionBuilder_.setMessage(builderForValue.build());
+          regionBuilder_.setMessage(index, builderForValue.build());
         }
-        bitField0_ |= 0x00000001;
         return this;
       }
       /**
-       * <code>required .hbase.pb.RegionSpecifier region = 1;</code>
+       * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
        */
-      public Builder 
mergeRegion(org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier
 value) {
+      public Builder 
addRegion(org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier
 value) {
         if (regionBuilder_ == null) {
-          if (((bitField0_ & 0x00000001) == 0x00000001) &&
-              region_ != null &&
-              region_ != 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.getDefaultInstance())
 {
-            region_ =
-              
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.newBuilder(region_).mergeFrom(value).buildPartial();
-          } else {
-            region_ = value;
+          if (value == null) {
+            throw new NullPointerException();
           }
+          ensureRegionIsMutable();
+          region_.add(value);
           onChanged();
         } else {
-          regionBuilder_.mergeFrom(value);
+          regionBuilder_.addMessage(value);
         }
-        bitField0_ |= 0x00000001;
         return this;
       }
       /**
-       * <code>required .hbase.pb.RegionSpecifier region = 1;</code>
+       * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
        */
-      public Builder clearRegion() {
+      public Builder addRegion(
+          int index, 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier 
value) {
         if (regionBuilder_ == null) {
-          region_ = null;
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureRegionIsMutable();
+          region_.add(index, value);
           onChanged();
         } else {
-          regionBuilder_.clear();
+          regionBuilder_.addMessage(index, value);
         }
-        bitField0_ = (bitField0_ & ~0x00000001);
         return this;
       }
       /**
-       * <code>required .hbase.pb.RegionSpecifier region = 1;</code>
+       * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
        */
-      public 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.Builder
 getRegionBuilder() {
-        bitField0_ |= 0x00000001;
-        onChanged();
-        return getRegionFieldBuilder().getBuilder();
+      public Builder addRegion(
+          
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.Builder
 builderForValue) {
+        if (regionBuilder_ == null) {
+          ensureRegionIsMutable();
+          region_.add(builderForValue.build());
+          onChanged();
+        } else {
+          regionBuilder_.addMessage(builderForValue.build());
+        }
+        return this;
       }
       /**
-       * <code>required .hbase.pb.RegionSpecifier region = 1;</code>
+       * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
        */
-      public 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifierOrBuilder
 getRegionOrBuilder() {
-        if (regionBuilder_ != null) {
-          return regionBuilder_.getMessageOrBuilder();
+      public Builder addRegion(
+          int index, 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.Builder
 builderForValue) {
+        if (regionBuilder_ == null) {
+          ensureRegionIsMutable();
+          region_.add(index, builderForValue.build());
+          onChanged();
         } else {
-          return region_ == null ?
-              
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.getDefaultInstance()
 : region_;
+          regionBuilder_.addMessage(index, builderForValue.build());
         }
+        return this;
       }
       /**
-       * <code>required .hbase.pb.RegionSpecifier region = 1;</code>
+       * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
        */
-      private 
org.apache.hadoop.hbase.shaded.com.google.protobuf.SingleFieldBuilderV3<
-          
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier, 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.Builder,
 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifierOrBuilder>
 
-          getRegionFieldBuilder() {
+      public Builder addAllRegion(
+          java.lang.Iterable<? extends 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier> 
values) {
         if (regionBuilder_ == null) {
-          regionBuilder_ = new 
org.apache.hadoop.hbase.shaded.com.google.protobuf.SingleFieldBuilderV3<
-              
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier, 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.Builder,
 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifierOrBuilder>(
-                  getRegion(),
-                  getParentForChildren(),
-                  isClean());
-          region_ = null;
+          ensureRegionIsMutable();
+          
org.apache.hadoop.hbase.shaded.com.google.protobuf.AbstractMessageLite.Builder.addAll(
+              values, region_);
+          onChanged();
+        } else {
+          regionBuilder_.addAllMessages(values);
         }
-        return regionBuilder_;
+        return this;
       }
-
-      private long ifOlderThanTs_ ;
       /**
-       * <code>optional uint64 if_older_than_ts = 2;</code>
+       * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
        */
-      public boolean hasIfOlderThanTs() {
-        return ((bitField0_ & 0x00000002) == 0x00000002);
+      public Builder clearRegion() {
+        if (regionBuilder_ == null) {
+          region_ = java.util.Collections.emptyList();
+          bitField0_ = (bitField0_ & ~0x00000001);
+          onChanged();
+        } else {
+          regionBuilder_.clear();
+        }
+        return this;
       }
       /**
-       * <code>optional uint64 if_older_than_ts = 2;</code>
+       * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
        */
-      public long getIfOlderThanTs() {
-        return ifOlderThanTs_;
-      }
+      public Builder removeRegion(int index) {
+        if (regionBuilder_ == null) {
+          ensureRegionIsMutable();
+          region_.remove(index);
+          onChanged();
+        } else {
+          regionBuilder_.remove(index);
+        }
+        return this;
+      }
       /**
-       * <code>optional uint64 if_older_than_ts = 2;</code>
+       * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
        */
-      public Builder setIfOlderThanTs(long value) {
-        bitField0_ |= 0x00000002;
-        ifOlderThanTs_ = value;
-        onChanged();
-        return this;
+      public 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.Builder
 getRegionBuilder(
+          int index) {
+        return getRegionFieldBuilder().getBuilder(index);
       }
       /**
-       * <code>optional uint64 if_older_than_ts = 2;</code>
+       * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
        */
-      public Builder clearIfOlderThanTs() {
-        bitField0_ = (bitField0_ & ~0x00000002);
-        ifOlderThanTs_ = 0L;
-        onChanged();
-        return this;
+      public 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifierOrBuilder
 getRegionOrBuilder(
+          int index) {
+        if (regionBuilder_ == null) {
+          return region_.get(index);  } else {
+          return regionBuilder_.getMessageOrBuilder(index);
+        }
       }
-
-      private boolean writeFlushWalMarker_ ;
       /**
-       * <pre>
-       * whether to write a marker to WAL even if not flushed
-       * </pre>
-       *
-       * <code>optional bool write_flush_wal_marker = 3;</code>
+       * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
        */
-      public boolean hasWriteFlushWalMarker() {
-        return ((bitField0_ & 0x00000004) == 0x00000004);
+      public java.util.List<? extends 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifierOrBuilder>
 
+           getRegionOrBuilderList() {
+        if (regionBuilder_ != null) {
+          return regionBuilder_.getMessageOrBuilderList();
+        } else {
+          return java.util.Collections.unmodifiableList(region_);
+        }
       }
       /**
-       * <pre>
-       * whether to write a marker to WAL even if not flushed
-       * </pre>
-       *
-       * <code>optional bool write_flush_wal_marker = 3;</code>
+       * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
        */
-      public boolean getWriteFlushWalMarker() {
-        return writeFlushWalMarker_;
+      public 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.Builder
 addRegionBuilder() {
+        return getRegionFieldBuilder().addBuilder(
+            
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.getDefaultInstance());
       }
       /**
-       * <pre>
-       * whether to write a marker to WAL even if not flushed
-       * </pre>
-       *
-       * <code>optional bool write_flush_wal_marker = 3;</code>
+       * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
        */
-      public Builder setWriteFlushWalMarker(boolean value) {
-        bitField0_ |= 0x00000004;
-        writeFlushWalMarker_ = value;
-        onChanged();
-        return this;
+      public 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.Builder
 addRegionBuilder(
+          int index) {
+        return getRegionFieldBuilder().addBuilder(
+            index, 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.getDefaultInstance());
       }
       /**
-       * <pre>
-       * whether to write a marker to WAL even if not flushed
-       * </pre>
-       *
-       * <code>optional bool write_flush_wal_marker = 3;</code>
+       * <code>repeated .hbase.pb.RegionSpecifier region = 1;</code>
        */
-      public Builder clearWriteFlushWalMarker() {
-        bitField0_ = (bitField0_ & ~0x00000004);
-        writeFlushWalMarker_ = false;
-        onChanged();
-        return this;
+      public 
java.util.List<org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.Builder>
 
+           getRegionBuilderList() {
+        return getRegionFieldBuilder().getBuilderList();
+      }
+      private 
org.apache.hadoop.hbase.shaded.com.google.protobuf.RepeatedFieldBuilderV3<
+          
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier, 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.Builder,
 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifierOrBuilder>
 
+          getRegionFieldBuilder() {
+        if (regionBuilder_ == null) {
+          regionBuilder_ = new 
org.apache.hadoop.hbase.shaded.com.google.protobuf.RepeatedFieldBuilderV3<
+              
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier, 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.Builder,
 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifierOrBuilder>(
+                  region_,
+                  ((bitField0_ & 0x00000001) == 0x00000001),
+                  getParentForChildren(),
+                  isClean());
+          region_ = null;
+        }
+        return regionBuilder_;
       }
       public final Builder setUnknownFields(
           final 
org.apache.hadoop.hbase.shaded.com.google.protobuf.UnknownFieldSet 
unknownFields) {
@@ -10430,90 +10142,70 @@ public final class AdminProtos {
       }
 
 
-      // @@protoc_insertion_point(builder_scope:hbase.pb.FlushRegionRequest)
+      // 
@@protoc_insertion_point(builder_scope:hbase.pb.CloseRegionForSplitOrMergeRequest)
     }
 
-    // @@protoc_insertion_point(class_scope:hbase.pb.FlushRegionRequest)
-    private static final 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest
 DEFAULT_INSTANCE;
+    // 
@@protoc_insertion_point(class_scope:hbase.pb.CloseRegionForSplitOrMergeRequest)
+    private static final 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest
 DEFAULT_INSTANCE;
     static {
-      DEFAULT_INSTANCE = new 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest();
+      DEFAULT_INSTANCE = new 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest();
     }
 
-    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest
 getDefaultInstance() {
+    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest
 getDefaultInstance() {
       return DEFAULT_INSTANCE;
     }
 
-    @java.lang.Deprecated public static final 
org.apache.hadoop.hbase.shaded.com.google.protobuf.Parser<FlushRegionRequest>
-        PARSER = new 
org.apache.hadoop.hbase.shaded.com.google.protobuf.AbstractParser<FlushRegionRequest>()
 {
-      public FlushRegionRequest parsePartialFrom(
+    @java.lang.Deprecated public static final 
org.apache.hadoop.hbase.shaded.com.google.protobuf.Parser<CloseRegionForSplitOrMergeRequest>
+        PARSER = new 
org.apache.hadoop.hbase.shaded.com.google.protobuf.AbstractParser<CloseRegionForSplitOrMergeRequest>()
 {
+      public CloseRegionForSplitOrMergeRequest parsePartialFrom(
           org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedInputStream 
input,
           
org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite 
extensionRegistry)
           throws 
org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException
 {
-          return new FlushRegionRequest(input, extensionRegistry);
+          return new CloseRegionForSplitOrMergeRequest(input, 
extensionRegistry);
       }
     };
 
-    public static 
org.apache.hadoop.hbase.shaded.com.google.protobuf.Parser<FlushRegionRequest> 
parser() {
+    public static 
org.apache.hadoop.hbase.shaded.com.google.protobuf.Parser<CloseRegionForSplitOrMergeRequest>
 parser() {
       return PARSER;
     }
 
     @java.lang.Override
-    public 
org.apache.hadoop.hbase.shaded.com.google.protobuf.Parser<FlushRegionRequest> 
getParserForType() {
+    public 
org.apache.hadoop.hbase.shaded.com.google.protobuf.Parser<CloseRegionForSplitOrMergeRequest>
 getParserForType() {
       return PARSER;
     }
 
-    public 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionRequest
 getDefaultInstanceForType() {
+    public 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeRequest
 getDefaultInstanceForType() {
       return DEFAULT_INSTANCE;
     }
 
   }
 
-  public interface FlushRegionResponseOrBuilder extends
-      // 
@@protoc_insertion_point(interface_extends:hbase.pb.FlushRegionResponse)
+  public interface CloseRegionForSplitOrMergeResponseOrBuilder extends
+      // 
@@protoc_insertion_point(interface_extends:hbase.pb.CloseRegionForSplitOrMergeResponse)
       org.apache.hadoop.hbase.shaded.com.google.protobuf.MessageOrBuilder {
 
     /**
-     * <code>required uint64 last_flush_time = 1;</code>
-     */
-    boolean hasLastFlushTime();
-    /**
-     * <code>required uint64 last_flush_time = 1;</code>
-     */
-    long getLastFlushTime();
-
-    /**
-     * <code>optional bool flushed = 2;</code>
-     */
-    boolean hasFlushed();
-    /**
-     * <code>optional bool flushed = 2;</code>
-     */
-    boolean getFlushed();
-
-    /**
-     * <code>optional bool wrote_flush_wal_marker = 3;</code>
+     * <code>required bool closed = 1;</code>
      */
-    boolean hasWroteFlushWalMarker();
+    boolean hasClosed();
     /**
-     * <code>optional bool wrote_flush_wal_marker = 3;</code>
+     * <code>required bool closed = 1;</code>
      */
-    boolean getWroteFlushWalMarker();
+    boolean getClosed();
   }
   /**
-   * Protobuf type {@code hbase.pb.FlushRegionResponse}
+   * Protobuf type {@code hbase.pb.CloseRegionForSplitOrMergeResponse}
    */
-  public  static final class FlushRegionResponse extends
+  public  static final class CloseRegionForSplitOrMergeResponse extends
       org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3 
implements
-      // 
@@protoc_insertion_point(message_implements:hbase.pb.FlushRegionResponse)
-      FlushRegionResponseOrBuilder {
-    // Use FlushRegionResponse.newBuilder() to construct.
-    private 
FlushRegionResponse(org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.Builder<?>
 builder) {
+      // 
@@protoc_insertion_point(message_implements:hbase.pb.CloseRegionForSplitOrMergeResponse)
+      CloseRegionForSplitOrMergeResponseOrBuilder {
+    // Use CloseRegionForSplitOrMergeResponse.newBuilder() to construct.
+    private 
CloseRegionForSplitOrMergeResponse(org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.Builder<?>
 builder) {
       super(builder);
     }
-    private FlushRegionResponse() {
-      lastFlushTime_ = 0L;
-      flushed_ = false;
-      wroteFlushWalMarker_ = false;
+    private CloseRegionForSplitOrMergeResponse() {
+      closed_ = false;
     }
 
     @java.lang.Override
@@ -10521,7 +10213,7 @@ public final class AdminProtos {
     getUnknownFields() {
       return this.unknownFields;
     }
-    private FlushRegionResponse(
+    private CloseRegionForSplitOrMergeResponse(
         org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedInputStream 
input,
         
org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite 
extensionRegistry)
         throws 
org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException
 {
@@ -10546,17 +10238,7 @@ public final class AdminProtos {
             }
             case 8: {
               bitField0_ |= 0x00000001;
-              lastFlushTime_ = input.readUInt64();
-              break;
-            }
-            case 16: {
-              bitField0_ |= 0x00000002;
-              flushed_ = input.readBool();
-              break;
-            }
-            case 24: {
-              bitField0_ |= 0x00000004;
-              wroteFlushWalMarker_ = input.readBool();
+              closed_ = input.readBool();
               break;
             }
           }
@@ -10573,60 +10255,30 @@ public final class AdminProtos {
     }
     public static final 
org.apache.hadoop.hbase.shaded.com.google.protobuf.Descriptors.Descriptor
         getDescriptor() {
-      return 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.internal_static_hbase_pb_FlushRegionResponse_descriptor;
+      return 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.internal_static_hbase_pb_CloseRegionForSplitOrMergeResponse_descriptor;
     }
 
     protected 
org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.internal_static_hbase_pb_FlushRegionResponse_fieldAccessorTable
+      return 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.internal_static_hbase_pb_CloseRegionForSplitOrMergeResponse_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse.class,
 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse.Builder.class);
+              
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse.class,
 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse.Builder.class);
     }
 
     private int bitField0_;
-    public static final int LAST_FLUSH_TIME_FIELD_NUMBER = 1;
-    private long lastFlushTime_;
+    public static final int CLOSED_FIELD_NUMBER = 1;
+    private boolean closed_;
     /**
-     * <code>required uint64 last_flush_time = 1;</code>
+     * <code>required bool closed = 1;</code>
      */
-    public boolean hasLastFlushTime() {
+    public boolean hasClosed() {
       return ((bitField0_ & 0x00000001) == 0x00000001);
     }
     /**
-     * <code>required uint64 last_flush_time = 1;</code>
-     */
-    public long getLastFlushTime() {
-      return lastFlushTime_;
-    }
-
-    public static final int FLUSHED_FIELD_NUMBER = 2;
-    private boolean flushed_;
-    /**
-     * <code>optional bool flushed = 2;</code>
-     */
-    public boolean hasFlushed() {
-      return ((bitField0_ & 0x00000002) == 0x00000002);
-    }
-    /**
-     * <code>optional bool flushed = 2;</code>
-     */
-    public boolean getFlushed() {
-      return flushed_;
-    }
-
-    public static final int WROTE_FLUSH_WAL_MARKER_FIELD_NUMBER = 3;
-    private boolean wroteFlushWalMarker_;
-    /**
-     * <code>optional bool wrote_flush_wal_marker = 3;</code>
-     */
-    public boolean hasWroteFlushWalMarker() {
-      return ((bitField0_ & 0x00000004) == 0x00000004);
-    }
-    /**
-     * <code>optional bool wrote_flush_wal_marker = 3;</code>
+     * <code>required bool closed = 1;</code>
      */
-    public boolean getWroteFlushWalMarker() {
-      return wroteFlushWalMarker_;
+    public boolean getClosed() {
+      return closed_;
     }
 
     private byte memoizedIsInitialized = -1;
@@ -10635,7 +10287,7 @@ public final class AdminProtos {
       if (isInitialized == 1) return true;
       if (isInitialized == 0) return false;
 
-      if (!hasLastFlushTime()) {
+      if (!hasClosed()) {
         memoizedIsInitialized = 0;
         return false;
       }
@@ -10646,13 +10298,7 @@ public final class AdminProtos {
     public void 
writeTo(org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedOutputStream 
output)
                         throws java.io.IOException {
       if (((bitField0_ & 0x00000001) == 0x00000001)) {
-        output.writeUInt64(1, lastFlushTime_);
-      }
-      if (((bitField0_ & 0x00000002) == 0x00000002)) {
-        output.writeBool(2, flushed_);
-      }
-      if (((bitField0_ & 0x00000004) == 0x00000004)) {
-        output.writeBool(3, wroteFlushWalMarker_);
+        output.writeBool(1, closed_);
       }
       unknownFields.writeTo(output);
     }
@@ -10664,15 +10310,7 @@ public final class AdminProtos {
       size = 0;
       if (((bitField0_ & 0x00000001) == 0x00000001)) {
         size += 
org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedOutputStream
-          .computeUInt64Size(1, lastFlushTime_);
-      }
-      if (((bitField0_ & 0x00000002) == 0x00000002)) {
-        size += 
org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedOutputStream
-          .computeBoolSize(2, flushed_);
-      }
-      if (((bitField0_ & 0x00000004) == 0x00000004)) {
-        size += 
org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedOutputStream
-          .computeBoolSize(3, wroteFlushWalMarker_);
+          .computeBoolSize(1, closed_);
       }
       size += unknownFields.getSerializedSize();
       memoizedSize = size;
@@ -10685,26 +10323,16 @@ public final class AdminProtos {
       if (obj == this) {
        return true;
       }
-      if (!(obj instanceof 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse))
 {
+      if (!(obj instanceof 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse))
 {
         return super.equals(obj);
       }
-      
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse
 other = 
(org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse)
 obj;
+      
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse
 other = 
(org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse)
 obj;
 
       boolean result = true;
-      result = result && (hasLastFlushTime() == other.hasLastFlushTime());
-      if (hasLastFlushTime()) {
-        result = result && (getLastFlushTime()
-            == other.getLastFlushTime());
-      }
-      result = result && (hasFlushed() == other.hasFlushed());
-      if (hasFlushed()) {
-        result = result && (getFlushed()
-            == other.getFlushed());
-      }
-      result = result && (hasWroteFlushWalMarker() == 
other.hasWroteFlushWalMarker());
-      if (hasWroteFlushWalMarker()) {
-        result = result && (getWroteFlushWalMarker()
-            == other.getWroteFlushWalMarker());
+      result = result && (hasClosed() == other.hasClosed());
+      if (hasClosed()) {
+        result = result && (getClosed()
+            == other.getClosed());
       }
       result = result && unknownFields.equals(other.unknownFields);
       return result;
@@ -10717,78 +10345,68 @@ public final class AdminProtos {
       }
       int hash = 41;
       hash = (19 * hash) + getDescriptor().hashCode();
-      if (hasLastFlushTime()) {
-        hash = (37 * hash) + LAST_FLUSH_TIME_FIELD_NUMBER;
-        hash = (53 * hash) + 
org.apache.hadoop.hbase.shaded.com.google.protobuf.Internal.hashLong(
-            getLastFlushTime());
-      }
-      if (hasFlushed()) {
-        hash = (37 * hash) + FLUSHED_FIELD_NUMBER;
-        hash = (53 * hash) + 
org.apache.hadoop.hbase.shaded.com.google.protobuf.Internal.hashBoolean(
-            getFlushed());
-      }
-      if (hasWroteFlushWalMarker()) {
-        hash = (37 * hash) + WROTE_FLUSH_WAL_MARKER_FIELD_NUMBER;
+      if (hasClosed()) {
+        hash = (37 * hash) + CLOSED_FIELD_NUMBER;
         hash = (53 * hash) + 
org.apache.hadoop.hbase.shaded.com.google.protobuf.Internal.hashBoolean(
-            getWroteFlushWalMarker());
+            getClosed());
       }
       hash = (29 * hash) + unknownFields.hashCode();
       memoizedHashCode = hash;
       return hash;
     }
 
-    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse
 parseFrom(
+    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse
 parseFrom(
         org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString data)
         throws 
org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException
 {
       return PARSER.parseFrom(data);
     }
-    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse
 parseFrom(
+    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse
 parseFrom(
         org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString data,
         
org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite 
extensionRegistry)
         throws 
org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException
 {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse
 parseFrom(byte[] data)
+    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse
 parseFrom(byte[] data)
         throws 
org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException
 {
       return PARSER.parseFrom(data);
     }
-    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse
 parseFrom(
+    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse
 parseFrom(
         byte[] data,
         
org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite 
extensionRegistry)
         throws 
org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException
 {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse
 parseFrom(java.io.InputStream input)
+    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse
 parseFrom(java.io.InputStream input)
         throws java.io.IOException {
       return 
org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
           .parseWithIOException(PARSER, input);
     }
-    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse
 parseFrom(
+    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse
 parseFrom(
         java.io.InputStream input,
         
org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite 
extensionRegistry)
         throws java.io.IOException {
       return 
org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
           .parseWithIOException(PARSER, input, extensionRegistry);
     }
-    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse
 parseDelimitedFrom(java.io.InputStream input)
+    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse
 parseDelimitedFrom(java.io.InputStream input)
         throws java.io.IOException {
       return 
org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
           .parseDelimitedWithIOException(PARSER, input);
     }
-    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse
 parseDelimitedFrom(
+    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse
 parseDelimitedFrom(
         java.io.InputStream input,
         
org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite 
extensionRegistry)
         throws java.io.IOException {
       return 
org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
           .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
     }
-    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse
 parseFrom(
+    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse
 parseFrom(
         org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedInputStream 
input)
         throws java.io.IOException {
       return 
org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3
           .parseWithIOException(PARSER, input);
     }
-    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse
 parseFrom(
+    public static 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse
 parseFrom(
         org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedInputStream 
input,
         
org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite 
extensionRegistry)
         throws java.io.IOException {
@@ -10800,7 +10418,7 @@ public final class AdminProtos {
     public static Builder newBuilder() {
       return DEFAULT_INSTANCE.toBuilder();
     }
-    public static Builder 
newBuilder(org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse
 prototype) {
+    public static Builder 
newBuilder(org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse
 prototype) {
       return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
     }
     public Builder toBuilder() {
@@ -10815,25 +10433,25 @@ public final class AdminProtos {
       return builder;
     }
     /**
-     * Protobuf type {@code hbase.pb.FlushRegionResponse}
+     * Protobuf type {@code hbase.pb.CloseRegionForSplitOrMergeResponse}
      */
     public static final class Builder extends
         
org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.Builder<Builder>
 implements
-        // 
@@protoc_insertion_point(builder_implements:hbase.pb.FlushRegionResponse)
-        
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponseOrBuilder
 {
+        // 
@@protoc_insertion_point(builder_implements:hbase.pb.CloseRegionForSplitOrMergeResponse)
+        
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponseOrBuilder
 {
       public static final 
org.apache.hadoop.hbase.shaded.com.google.protobuf.Descriptors.Descriptor
           getDescriptor() {
-        return 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.internal_static_hbase_pb_FlushRegionResponse_descriptor;
+        return 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.internal_static_hbase_pb_CloseRegionForSplitOrMergeResponse_descriptor;
       }
 
       protected 
org.apache.hadoop.hbase.shaded.com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
           internalGetFieldAccessorTable() {
-        return 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.internal_static_hbase_pb_FlushRegionResponse_fieldAccessorTable
+        return 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.internal_static_hbase_pb_CloseRegionForSplitOrMergeResponse_fieldAccessorTable
             .ensureFieldAccessorsInitialized(
-                
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse.class,
 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse.Builder.class);
+                
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse.class,
 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse.Builder.class);
       }
 
-      // Construct using 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse.newBuilder()
+      // Construct using 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse.newBuilder()
       private Builder() {
         maybeForceBuilderInitialization();
       }
@@ -10850,48 +10468,36 @@ public final class AdminProtos {
       }
       public Builder clear() {
         super.clear();
-        lastFlushTime_ = 0L;
+        closed_ = false;
         bitField0_ = (bitField0_ & ~0x00000001);
-        flushed_ = false;
-        bitField0_ = (bitField0_ & ~0x00000002);
-        wroteFlushWalMarker_ = false;
-        bitField0_ = (bitField0_ & ~0x00000004);
         return this;
       }
 
       public 
org.apache.hadoop.hbase.shaded.com.google.protobuf.Descriptors.Descriptor
           getDescriptorForType() {
-        return 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.internal_static_hbase_pb_FlushRegionResponse_descriptor;
+        return 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.internal_static_hbase_pb_CloseRegionForSplitOrMergeResponse_descriptor;
       }
 
-      public 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse
 getDefaultInstanceForType() {
-        return 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse.getDefaultInstance();
+      public 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse
 getDefaultInstanceForType() {
+        return 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse.getDefaultInstance();
       }
 
-      public 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse
 build() {
-        
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse
 result = buildPartial();
+      public 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse
 build() {
+        
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse
 result = buildPartial();
         if (!result.isInitialized()) {
           throw newUninitializedMessageException(result);
         }
         return result;
       }
 
-      public 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse
 buildPartial() {
-        
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse
 result = new 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse(this);
+      public 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse
 buildPartial() {
+        
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse
 result = new 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse(this);
         int from_bitField0_ = bitField0_;
         int to_bitField0_ = 0;
         if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
           to_bitField0_ |= 0x00000001;
         }
-        result.lastFlushTime_ = lastFlushTime_;
-        if (((from_bitField0_ & 0x00000002) == 0x00000002)) {
-          to_bitField0_ |= 0x00000002;
-        }
-        result.flushed_ = flushed_;
-        if (((from_bitField0_ & 0x00000004) == 0x00000004)) {
-          to_bitField0_ |= 0x00000004;
-        }
-        result.wroteFlushWalMarker_ = wroteFlushWalMarker_;
+        result.closed_ = closed_;
         result.bitField0_ = to_bitField0_;
         onBuilt();
         return result;
@@ -10924,24 +10530,18 @@ public final class AdminProtos {
         return (Builder) super.addRepeatedField(field, value);
       }
       public Builder 
mergeFrom(org.apache.hadoop.hbase.shaded.com.google.protobuf.Message other) {
-        if (other instanceof 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse)
 {
-          return 
mergeFrom((org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse)other);
+        if (other instanceof 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse)
 {
+          return 
mergeFrom((org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse)other);
         } else {
           super.mergeFrom(other);
           return this;
         }
       }
 
-      public Builder 
mergeFrom(org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse
 other) {
-        if (other == 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse.getDefaultInstance())
 return this;
-        if (other.hasLastFlushTime()) {
-          setLastFlushTime(other.getLastFlushTime());
-        }
-        if (other.hasFlushed()) {
-          setFlushed(other.getFlushed());
-        }
-        if (other.hasWroteFlushWalMarker()) {
-          setWroteFlushWalMarker(other.getWroteFlushWalMarker());
+      public Builder 
mergeFrom(org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse
 other) {
+        if (other == 
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse.getDefaultInstance())
 return this;
+        if (other.hasClosed()) {
+          setClosed(other.getClosed());
         }
         this.mergeUnknownFields(other.unknownFields);
         onChanged();
@@ -10949,7 +10549,7 @@ public final class AdminProtos {
       }
 
       public final boolean isInitialized() {
-        if (!hasLastFlushTime()) {
+        if (!hasClosed()) {
           return false;
         }
         return true;
@@ -10959,11 +10559,11 @@ public final class AdminProtos {
           org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedInputStream 
input,
           
org.apache.hadoop.hbase.shaded.com.google.protobuf.ExtensionRegistryLite 
extensionRegistry)
           throws java.io.IOException {
-        
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse
 parsedMessage = null;
+        
org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse
 parsedMessage = null;
         try {
           parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
         } catch 
(org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException
 e) {
-          parsedMessage = 
(org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.FlushRegionResponse)
 e.getUnfinishedMessage();
+          parsedMessage = 
(org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionForSplitOrMergeResponse)
 e.getUnfinishedMessage();
           throw e.unwrapIOException();
         } finally {
           if (parsedMessage != null) {
@@ -10974,98 +10574,34 @@ public final class AdminProtos {
       }
       private int bitField0_;
 
-      private long lastFlushTime_ ;
+      private boolean closed_ ;
       /**
-       * <code>required uint64 last_flush_time = 1;</code>
+       * <code>required bool closed = 1;</code>
        */
-      public boolean hasLastFlushTime() {
+      public boolean hasClosed() {
         return ((bitField0_ & 0x00000001) == 0x00000001);
       }
       /**
-       * <code>required uint64 last_flush_time = 1;</code>
+       * <code>required bool closed = 1;</code>
        */
-      public long getLastFlushTime() {
-        return lastFlushTime_;
+      public boolean getClosed() {
+        return closed_;
       }
       /**
-       * <code>required uint64 last_flush_time = 1;</code>
+       * <code>required bool closed = 1;</code>
        */
-      public Builder setLastFlushTime(long value) {
+      public Builder setClosed(boolean value) {
         bitField0_ |= 0x00000001;
-        lastFlushTime_ = value;
+        closed_ = value;
         onChanged();
         return this;
       }
       /**
-       * <code>required uint64 last_flush_time = 1;</code>
+       * <code>required bool closed = 1;</code>
        */
-      public Builder clearLastFl

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