static class QueuingRemovalListener<K, V> extends ConcurrentLinkedQueue<RemovalNotification<K, V>>
      implements RemovalListener<K, V> {

    @Override
    public void onRemoval(RemovalNotification<K, V> notification) {
      add(notification);
    }
  }

  /**
   * {@link RemovalListener} that counts each {@link RemovalNotification} it receives, and provides
   * access to the most-recently received one.
   */

          as modifying the License.

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      may provide additional or different license terms and conditions
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// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package notify

import (
	"github.com/minio/minio/internal/event/target"
)

// Config - notification target configuration structure, holds
// information about various notification targets.
type Config struct {
	AMQP          map[string]target.AMQPArgs          `json:"amqp"`
	Elasticsearch map[string]target.ElasticsearchArgs `json:"elasticsearch"`

    * Collect the money from the client.
    * Send a notification back to the API user (the external developer), as a callback.
        * At this point is that the API will somehow send a POST request to the
            external API with the notification of the invoice event
            (e.g. "payment successful").
    """
    # Send the invoice, collect the money, send the notification (the callback)

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      may provide additional or different license terms and conditions
      for use, reproduction, or distribution of Your modifications, or
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      may provide additional or different license terms and conditions
      for use, reproduction, or distribution of Your modifications, or
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          as modifying the License.

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          as modifying the License.

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      may provide additional or different license terms and conditions
      for use, reproduction, or distribution of Your modifications, or
      for any such Derivative Works as a whole, provided Your use,
      reproduction, and distribution of the Work otherwise complies with