import TypedEventEmitter from './TypedEventEmitter';
/**
 * @inline
 */
export interface EntityEvents {
    updated: string[];
}
declare abstract class DataEntity<D, E extends EntityEvents = EntityEvents> extends TypedEventEmitter<E> {
    protected data: D;
    protected lastUpdated: Date;
    constructor(data: D);
    /**
     * @internal
     * @param delta
     */
    _update(delta: Partial<D>): void;
    /**
     * Get a copy of the entity's data
     */
    toJSON(): D;
}
export default DataEntity;