public Builder<K, V> put(K key, V value) {
      initialEntries.put(key, value);
      return this;
    }
Initialize with specified entry when {@code DistributedMap} is built.

@param key the key to add
@param value the value to add
@return a reference to this Builder
geode-dunit/src/main/java/org/apache/geode/test/dunit/rules/DistributedMap.java