import type { Plugin } from './interfaces';
export declare type Arguments<T> = [T] extends [(...args: infer U) => any] ? U : [T] extends [void] ? [] : [T];
export default class PluginManager {
    constructor(plugins?: Plugin[]);
    private plugins;
    /**
     * Call `event` on plugins
     */
    emit<K extends keyof Plugin>(eventName: K, data: Arguments<Plugin[K]>[0]): void;
    /**
     * Emit an event and get the first non-undefined return value.
     * Returning a value from the handler will cancel the rest of the plugin chain.
     */
    getFirst<K extends keyof Plugin, R>(eventName: K, data: Arguments<Plugin[K]>[0]): R | undefined;
    /**
     * Add a plugin to the beginning of the list of plugins
     */
    addFirst(plugin: Plugin): void;
    /**
     * Add a plugin to the end of the list of plugins
     */
    add(plugin: Plugin): void;
    has(plugin: Plugin): boolean;
    remove(plugin: Plugin): void;
}