ComponentPoolManager Class

public class ComponentPoolManager : PoolManagerBase<ComponentPoolManagerSettings, ComponentPool, ComponentPoolSettings, Type, Component>

// Create the manager as a component on a game object.
var manager = gameObject.AddComponent<ComponentPoolManager>();

// Set up the manager's properties.
manager.DontDestroyOnLoad = true;
manager.AttachDescendentPools = true;
manager.AcquireMode = AcquireNoPoolMode.CreatePool;

// Attach an existing pool to the manager.
manager.AttachPool(pool);

// Create a pool that is attached to the manager.
manager.CreatePool(new ComponentPoolSettings {
    Source = typeof(AudioSource),
    DontDestroyOnLoad = true,
    Enabled = true,
    InitialiseOnStart = true,
    InitialSize = 10,
    InstantiateWhenEmpty = true,
    LogMessages = LogLevel.Warning,
    MaximumSize = 50,
    NotificationMode = NotificationMode.Interface,
    RecordStatistics = true,
    ReparentPooledObjects = true
});

// Acquire an AudioSource instance from the manager. The Acquire method can be used safely if the AudioSource pool's InstantiateWhenEmpty property is true, or if a check is made to CanAcquire beforehand.
AudioSource instance = manager.Acquire<AudioSource>();

// Acquire another AudioSource instance from the manager. TryAcquire can be used safely even when InstantiateWhenEmpty is false.
AudioSource secondInstance;
if (manager.TryAcquire(out secondInstance)) {
    // Release the component back to the manager.
    manager.Release(secondInstance);
}

// Release the component back to the manager.
manager.Release(instance);