content: package org.rocksdb;
  
  /**
   * The config for vector memtable representation.
   */
  public class VectorMemTableConfig extends MemTableConfig {
    public static final int DEFAULT_RESERVED_SIZE = 0;
  
    /**
     * VectorMemTableConfig constructor
     */
    public VectorMemTableConfig() {
      reservedSize_ = DEFAULT_RESERVED_SIZE;
    }
  
    /**
     * Set the initial size of the vector that will be used
     * by the memtable created based on this config.
     *
     * @param size the initial size of the vector.
     * @return the reference to the current config.
     */
    public VectorMemTableConfig setReservedSize(final int size) {
      reservedSize_ = size;
      return this;
    }
  
    /**
     * Returns the initial size of the vector used by the memtable
     * created based on this config.
     *
     * @return the initial size of the vector.
     */
    public int reservedSize() {
      return reservedSize_;
    }
  
    @Override protected long newMemTableFactoryHandle() {
      return newMemTableFactoryHandle(reservedSize_);
    }
  
    private native long newMemTableFactoryHandle(long reservedSize)
        throws IllegalArgumentException;
    private int reservedSize_;
  }
  