connectionListener.connectionClosed(connection)
      }
    }

    if (connections.isEmpty()) cleanupQueue.cancelAll()
  }

  /**
   * Performs maintenance on this pool, evicting the connection that has been idle the longest if
   * either it has exceeded the keep alive limit or the idle connections limit.
   *
   * Returns the duration in nanoseconds to sleep until the next scheduled call to this method.

import org.lastaflute.web.validation.Required;
import org.lastaflute.web.validation.theme.conversion.ValidateTypeFailure;

/**
 * Form class for editing stopwords dictionary entries in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing stopwords entries.
 * Stopwords are common words that are typically ignored during text indexing and search operations.
 *
 */

import org.lastaflute.web.validation.theme.conversion.ValidateTypeFailure;

import jakarta.validation.constraints.Size;

/**
 * Form class for editing users in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing user entries,
 * including tracking information for optimistic locking.
 * Users represent individual accounts that can access and search within the system.
 *
 */

import org.lastaflute.web.validation.theme.conversion.ValidateTypeFailure;

import jakarta.validation.constraints.Size;

/**
 * Form class for editing duplicate host configurations in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing duplicate host entries,
 * including tracking information for optimistic locking and audit trails.

import org.lastaflute.web.validation.theme.conversion.ValidateTypeFailure;

import jakarta.validation.constraints.Size;

/**
 * The edit form for Related Query.
 * This form extends CreateForm and adds fields necessary for editing existing related query entries.
 */
public class EditForm extends CreateForm {

    /** Unique identifier for the related query entry */
    @Required
    @Size(max = 1000)
    public String id;

import org.lastaflute.web.validation.theme.conversion.ValidateTypeFailure;

import jakarta.validation.constraints.Size;

/**
 * Form class for editing scheduled job configurations in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing scheduler entries,
 * including tracking information for optimistic locking.
 * Schedulers define automated jobs such as crawling and system maintenance tasks.
 *

import org.lastaflute.web.validation.Required;
import org.lastaflute.web.validation.theme.conversion.ValidateTypeFailure;

/**
 * Form class for editing protected words dictionary entries in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing protected words entries.
 * Protected words are terms that should not be stemmed or modified during text analysis.
 *
 */

import org.lastaflute.web.validation.theme.conversion.ValidateTypeFailure;

import jakarta.validation.constraints.Size;

/**
 * Form class for editing elevate word configurations in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing elevate word entries,
 * including tracking information for optimistic locking and audit trails.

import org.lastaflute.web.validation.theme.conversion.ValidateTypeFailure;

import jakarta.validation.constraints.Size;

/**
 * Form class for editing request header configurations in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing request header entries,
 * including tracking information for optimistic locking and audit trails.

import org.lastaflute.web.validation.theme.conversion.ValidateTypeFailure;

import jakarta.validation.constraints.Size;

/**
 * Form class for editing label types in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing label type entries,
 * including tracking information for optimistic locking and audit trails.
 * Label types are used to categorize and filter documents in search results.