code: protected void moveElementsLeft(final Object[] elements, final int srcPos) {
  		if (log.isDebugEnabled()) {
  			log.debug("moveElementsLeft(" + srcPos + ") allocated=" + allocated + ":" + keys.length + ":"
  					+ (allocated - srcPos - 1) + ":" + (keys.length - srcPos - 1));
  		}
  		System.arraycopy(elements, srcPos + 1, elements, srcPos, allocated - srcPos - 1);
  	}
docs: remove element