import React from 'react';
export declare const PORTAL_ID = "ui-kit-portal";
export type State = {
    readonly isOpen: boolean;
    readonly isMounted: boolean;
    readonly destroyTimeout: number;
    readonly onRequestClose: (event: React.MouseEvent<HTMLElement> | KeyboardEvent) => void;
    readonly closeOnEscape: boolean;
    readonly closeOnOverlayClick: boolean;
};
export type Context = {
    readonly state: State;
    readonly dispatch: React.Dispatch<Action>;
};
export type ActionSetState = {
    readonly type: 'setState';
    readonly payload: Partial<State>;
};
export type Action = ActionSetState;
export declare const defaultState: State;
export declare const actionSetState: (payload: ActionSetState['payload']) => ActionSetState;
export interface ContextProviderProps {
    readonly children: React.ReactNode | readonly React.ReactNode[];
    readonly initialState: Omit<State, 'isMounted'>;
}
export declare const ContextProvider: React.FC<ContextProviderProps>;
export declare const useContext: () => {
    state: State;
    dispatch: React.Dispatch<ActionSetState>;
};