export declare const PARENT: unique symbol;
/**
 * SPI extension for listening to removal of a wrapped cache.
 */
export declare const ON_REMOVE: unique symbol;
/**
 * Shared symbol used for common code that triggers remove listeners.
 */
export declare const TRIGGER_REMOVE: unique symbol;
/**
 * SPI extension for listening to eviction events.
 */
export declare const ON_MAINTENANCE: unique symbol;
/**
 * Shared symbol used for common code related to maintenace.
 */
export declare const MAINTENANCE: unique symbol;