import { LitElement } from 'lit';
type EventTypeRequiresDetail<T> = T extends keyof GlobalEventHandlersEventMap ? GlobalEventHandlersEventMap[T] extends CustomEvent<Record<PropertyKey, unknown>> ? GlobalEventHandlersEventMap[T] extends CustomEvent<Record<PropertyKey, never>> ? never : Partial<GlobalEventHandlersEventMap[T]['detail']> extends GlobalEventHandlersEventMap[T]['detail'] ? never : T : never : never;
type EventTypeDoesNotRequireDetail<T> = T extends keyof GlobalEventHandlersEventMap ? GlobalEventHandlersEventMap[T] extends CustomEvent<Record<PropertyKey, unknown>> ? GlobalEventHandlersEventMap[T] extends CustomEvent<Record<PropertyKey, never>> ? T : Partial<GlobalEventHandlersEventMap[T]['detail']> extends GlobalEventHandlersEventMap[T]['detail'] ? T : never : T : T;
type EventTypesWithRequiredDetail = {
    [EventType in keyof GlobalEventHandlersEventMap as EventTypeRequiresDetail<EventType>]: true;
};
type EventTypesWithoutRequiredDetail = {
    [EventType in keyof GlobalEventHandlersEventMap as EventTypeDoesNotRequireDetail<EventType>]: true;
};
type WithRequired<T, K extends keyof T> = T & {
    [P in K]-?: T[P];
};
type CpsEventInit<T> = T extends keyof GlobalEventHandlersEventMap ? GlobalEventHandlersEventMap[T] extends CustomEvent<Record<PropertyKey, unknown>> ? GlobalEventHandlersEventMap[T] extends CustomEvent<Record<PropertyKey, never>> ? CustomEventInit<GlobalEventHandlersEventMap[T]['detail']> : Partial<GlobalEventHandlersEventMap[T]['detail']> extends GlobalEventHandlersEventMap[T]['detail'] ? CustomEventInit<GlobalEventHandlersEventMap[T]['detail']> : WithRequired<CustomEventInit<GlobalEventHandlersEventMap[T]['detail']>, 'detail'> : CustomEventInit : CustomEventInit;
type GetCustomEventType<T> = T extends keyof GlobalEventHandlersEventMap ? GlobalEventHandlersEventMap[T] extends CustomEvent<unknown> ? GlobalEventHandlersEventMap[T] : CustomEvent<unknown> : CustomEvent<unknown>;
export default class BaseElement extends LitElement {
    dir: string;
    lang: string;
    emit<T extends string & keyof EventTypesWithoutRequiredDetail>(name: EventTypeDoesNotRequireDetail<T>, options?: CpsEventInit<T> | undefined): GetCustomEventType<T>;
    emit<T extends string & keyof EventTypesWithRequiredDetail>(name: EventTypeRequiresDetail<T>, options: CpsEventInit<T>): GetCustomEventType<T>;
    version: string;
}
export {};