# Deprecated API

## Contents

- Deprecated Methods

- Deprecated Methods
  Method and Description
  org.apache.commons.pool2.impl.CallStackUtils.newCallStack(String, boolean) use `CallStackUtils.newCallStack(String, boolean, boolean)`
  org.apache.commons.pool2.PoolUtils.prefill(KeyedObjectPool<K, V>, Collection<K>, int) Use `KeyedObjectPool.addObjects(Collection, int)`.
  org.apache.commons.pool2.PoolUtils.prefill(KeyedObjectPool<K, V>, K, int) Use `KeyedObjectPool.addObjects(Object, int)`.
  org.apache.commons.pool2.PoolUtils.prefill(ObjectPool<T>, int) Use `ObjectPool.addObjects(int)`.

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