import EventBus, { type ListenerFn } from "../../lib/EventBus";
import type { ParametersAsAllOptional } from "../../lib/types";
export type BroadcastEventFn = (eventName: string, payload: any, stateName: string) => void;
export type EventListener = ListenerFn<ParametersAsAllOptional<BroadcastEventFn>>;
export type BroadcastStateChange = (stateName: string, state: (readonly any[])["length"]) => void;
export type StateChangeListener = ListenerFn<ParametersAsAllOptional<BroadcastStateChange>>;
export type ShouldUnregister = boolean;
export type ListenerRegisterer<T extends ListenerFn> = (listener: T, shouldUnregister: ShouldUnregister) => void;
/**
 * Broadcast types should be loose
 */
export declare const _createInternalCompanyProvider: () => {
    eventBus: EventBus<EventListener>;
    stateChangeBus: EventBus<StateChangeListener>;
};
export type _InternalCompanyProvider = ReturnType<typeof _createInternalCompanyProvider>;
export declare const _getInternalCompanyProvider: () => _InternalCompanyProvider | null;
export declare const createCompanyProvider: (_internalCompanyProvider: _InternalCompanyProvider) => {
    listenEvents: ListenerRegisterer<EventListener>;
    listenStateChanges: ListenerRegisterer<StateChangeListener>;
};
export type CompanyProvider = ReturnType<typeof createCompanyProvider>;
export declare const getCompanyProvider: () => CompanyProvider | null;