Reduce ChronicleMapBuilder API surface, hide private API in a class

src/main/java/net/openhft/chronicle/map/ChronicleMapBuilderPrivateAPI.java

@@ -0,0 +1,69 @@
+/*
+ *      Copyright (C) 2015  higherfrequencytrading.com
+ *
+ *      This program is free software: you can redistribute it and/or modify
+ *      it under the terms of the GNU Lesser General Public License as published by
+ *      the Free Software Foundation, either version 3 of the License.
+ *
+ *      This program is distributed in the hope that it will be useful,
+ *      but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *      GNU Lesser General Public License for more details.
+ *
+ *      You should have received a copy of the GNU Lesser General Public License
+ *      along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package net.openhft.chronicle.map;
+
+import net.openhft.chronicle.hash.ChronicleHashBuilderPrivateAPI;
+import net.openhft.chronicle.hash.serialization.internal.SerializationBuilder;
+
+class ChronicleMapBuilderPrivateAPI<K> implements ChronicleHashBuilderPrivateAPI<K> {
+
+    private ChronicleMapBuilder<K, ?> b;
+
+    public ChronicleMapBuilderPrivateAPI(ChronicleMapBuilder<K, ?> b) {
+        this.b = b;
+    }
+
+    @Override
+    public SerializationBuilder<K> keyBuilder() {
+        return b.keyBuilder();
+    }
+
+    @Override
+    public int segmentEntrySpaceInnerOffset(boolean replicated) {
+        return b.segmentEntrySpaceInnerOffset(replicated);
+    }
+
+    @Override
+    public long chunkSize(boolean replicated) {
+        return b.chunkSize(replicated);
+    }
+
+    @Override
+    public int maxChunksPerEntry(boolean replicated) {
+        return b.maxChunksPerEntry(replicated);
+    }
+
+    @Override
+    public long entriesPerSegment(boolean replicated) {
+        return b.entriesPerSegment(replicated);
+    }
+
+    @Override
+    public long actualChunksPerSegment(boolean replicated) {
+        return b.actualChunksPerSegment(replicated);
+    }
+
+    @Override
+    public int segmentHeaderSize(boolean replicated) {
+        return b.segmentHeaderSize(replicated);
+    }
+
+    @Override
+    public int actualSegments(boolean replicated) {
+        return b.actualSegments(replicated);
+    }
+}