import type { BasePlugin } from './base/base';
/**
 * Gets registered plugins' names in the following order:
 * 1) Plugins registered with a defined priority attribute, in the ascending order of priority.
 * 2) Plugins registered without a defined priority attribute, in the registration order.
 *
 * @returns {string[]}
 */
export declare function getPluginsNames(): string[];
/**
 * Open map of plugin name string literals to their class constructor types.
 * Augmented by `src/plugins/index.ts` for all built-in plugins.
 * Third-party packages can augment this interface to enable type inference for custom plugins.
 */
export interface PluginClassMap {
}
/**
 * Gets registered plugin's class based on the given name.
 *
 * @param {string} pluginName Plugin's name.
 * @returns {BasePlugin}
 */
export declare function getPlugin<K extends keyof PluginClassMap>(pluginName: K): PluginClassMap[K] | undefined;
export declare function getPlugin(pluginName: string): typeof BasePlugin | undefined;
/**
 * Checks if the plugin under the name is already registered.
 *
 * @param {string} pluginName Plugin's name.
 * @returns {boolean}
 */
export declare function hasPlugin(pluginName: string): boolean;
/**
 * Registers plugin under the given name only once.
 *
 * @param {string|Function} pluginName The plugin name or plugin class.
 * @param {Function} [pluginClass] The plugin class.
 * @param {number} [priority] The plugin priority.
 */
export declare function registerPlugin(pluginName: string | Function, pluginClass?: Function, priority?: number): void;