/**
 * @module Cache
 */
import type { TimeSpan } from "../../utilities/_module-exports.js";
/**
 * The event is dispatched when key is found.
 *
 * IMPORT_PATH: `"@daiso-tech/core/cache/contracts"`
 * @group Events
 */
export type FoundCacheEvent<TType = unknown> = {
    key: string;
    value: TType;
};
/**
 * The event is dispatched when key is not found.
 *
 * IMPORT_PATH: `"@daiso-tech/core/cache/contracts"`
 * @group Events
 */
export type NotFoundCacheEvent = {
    key: string;
};
/**
 * The event is dispatched when key is added.
 *
 * IMPORT_PATH: `"@daiso-tech/core/cache/contracts"`
 * @group Events
 */
export type AddedCacheEvent<TType = unknown> = {
    type: "added";
    key: string;
    value: TType;
    ttl: TimeSpan | null;
};
/**
 * The event is dispatched when key is updated.
 *
 * IMPORT_PATH: `"@daiso-tech/core/cache/contracts"`
 * @group Events
 */
export type UpdatedCacheEvent<TType = unknown> = {
    type: "updated";
    key: string;
    value: TType;
};
/**
 * The event is dispatched when key is removed.
 *
 * IMPORT_PATH: `"@daiso-tech/core/cache/contracts"`
 * @group Events
 */
export type RemovedCacheEvent = {
    type: "removed";
    key: string;
};
/**
 * The event is dispatched when key is incremented.
 *
 * IMPORT_PATH: `"@daiso-tech/core/cache/contracts"`
 * @group Events
 */
export type IncrementedCacheEvent = {
    type: "incremented";
    key: string;
    value: number;
};
/**
 * The event is dispatched when key is decremented.
 *
 * IMPORT_PATH: `"@daiso-tech/core/cache/contracts"`
 * @group Events
 */
export type DecrementedCacheEvent = {
    type: "decremented";
    key: string;
    value: number;
};
/**
 * The event is dispatched when key is updated or added.
 *
 * IMPORT_PATH: `"@daiso-tech/core/cache/contracts"`
 * @group Events
 */
export type WrittenCacheEvent<TType = unknown> = AddedCacheEvent<TType> | UpdatedCacheEvent<TType> | RemovedCacheEvent | IncrementedCacheEvent | DecrementedCacheEvent;
/**
 * The event is dispatched when all keys all cleared of the cache.
 *
 * IMPORT_PATH: `"@daiso-tech/core/cache/contracts"`
 * @group Events
 */
export type ClearedCacheEvent = {};
/**
 *
 * IMPORT_PATH: `"@daiso-tech/core/cache/contracts"`
 * @group Events
 */
export type UnexpectedErrorCacheEvent = {
    keys?: string[];
    value?: unknown;
    method: string;
    error: unknown;
};
/**
 *
 * IMPORT_PATH: `"@daiso-tech/core/cache/contracts"`
 * @group Events
 */
export declare const CACHE_EVENTS: {
    readonly FOUND: "FOUND";
    readonly NOT_FOUND: "NOT_FOUND";
    readonly WRITTEN: "WRITTEN";
    readonly CLEARED: "CLEARED";
    readonly UNEXPECTED_ERROR: "UNEXPECTED_ERROR";
};
/**
 *
 * IMPORT_PATH: `"@daiso-tech/core/cache/contracts"`
 * @group Events
 */
export type CacheEventMap<TType = unknown> = {
    [CACHE_EVENTS.FOUND]: FoundCacheEvent<TType>;
    [CACHE_EVENTS.NOT_FOUND]: NotFoundCacheEvent;
    [CACHE_EVENTS.WRITTEN]: WrittenCacheEvent<TType>;
    [CACHE_EVENTS.CLEARED]: ClearedCacheEvent;
    [CACHE_EVENTS.UNEXPECTED_ERROR]: UnexpectedErrorCacheEvent;
};