import React from 'react';
import { ShapeActions, ShapeId } from './types';
export declare enum EventType {
    MountedOrUnmounted = "MountedOrUnmounted",
    MouseEvent = "MouseEvent",
    ChildRectChanged = "ChildRectChanged",
    ChildFocus = "ChildFocus",
    ChildToggleSelection = "ChildToggleSelection"
}
declare type MountedOrUnmountedListener = (shapeActionRef: React.MutableRefObject<ShapeActions>, didMount: boolean) => void;
declare type MouseEventListener = (event: MouseEvent) => void;
declare type ChildRectChangedListener = (shapeId: ShapeId, isInternalComponent: boolean) => void;
declare type ChildFocusListener = (shapeId: ShapeId, isInternalComponent: boolean) => void;
declare type ChildToggleSelectionListener = (shapeId: ShapeId, isInternalComponent: boolean, event: React.MouseEvent) => void;
declare type Listener = (...args: any[]) => void;
declare type CustomListener = ChildRectChangedListener | ChildFocusListener | MountedOrUnmountedListener | MouseEventListener | ChildToggleSelectionListener;
declare type ListenerRef = React.MutableRefObject<Listener>;
export declare class EventEmitter {
    private listeners;
    constructor();
    addListener(eventType: EventType, fn: ListenerRef): this;
    removeListener(eventType: EventType, fn: ListenerRef): this;
    overwriteAllListenersOfType(eventType: EventType, fn: ListenerRef): this;
    emit(eventType: EventType, ...args: any[]): void;
}
export declare const useNewEventEmitter: () => EventEmitter;
export declare const useAdditionalListener: (emitter: EventEmitter, eventType: EventType, listener: CustomListener) => void;
export declare const EventEmitterProvider: React.Provider<EventEmitter | undefined>;
export declare const useEventEmitterContext: () => EventEmitter;
export {};