/// <reference types="node" />
import { EventEmitter } from 'events';
import { Tracker, TrackerValue, TrackerValuesContext } from './TrackTileService';
export type EventTypeHandlers = {
    trackerChanged: (...tracker: Tracker[]) => void;
    trackerRemoved: (tracker: Tracker) => void;
    valuesChanged: (updates: {
        valuesContext: TrackerValuesContext;
        metricId: string;
        tracker: Partial<TrackerValue>;
        drop?: boolean;
        saveToRecent?: boolean;
    }[]) => void;
    saveEditTrackerValue: (resolve?: (newValue: TrackerValue | undefined) => void, reject?: (reason?: unknown) => void) => void;
};
export type EventTypes = keyof EventTypeHandlers;
export type EventTypeHandler<T extends EventTypes> = EventTypeHandlers[T];
export declare class TrackTileEmitter extends EventEmitter {
    addListener<T extends EventTypes>(eventType: T, listener: EventTypeHandler<T>): this;
    removeListener<T extends EventTypes>(eventType: EventTypes, listener: EventTypeHandler<T>): this;
    emit<T extends EventTypes>(eventType: T, ...params: Parameters<EventTypeHandler<T>>): boolean;
}
export declare const notifier: TrackTileEmitter;
export declare const notifyTrackerRemoved: (tracker: Tracker) => boolean;
export declare const notifySaveEditTrackerValue: (resolve?: ((newValue: TrackerValue | undefined) => void) | undefined, reject?: ((reason?: unknown) => void) | undefined) => boolean;