import { Component, ComponentConstructor, ComponentLiteral, ComponentStateLiteral } from './component';
import { SlotLiteral } from './slot';
import { Textbus } from '../textbus';
export interface Metadata {
    [key: string]: any;
}
export interface AsyncComponentLiteral<State = any> extends ComponentLiteral<State> {
    async: true;
    metadata: any;
}
export interface AsyncSlotLiteral<T extends Record<string, any> = Record<string, any>, U = any> extends SlotLiteral<T> {
    async: true;
    metadata: U;
}
export interface AsyncComponentConstructor<M extends Metadata = Metadata, T extends Record<string, any> = Record<string, any>> extends ComponentConstructor<T> {
    fromJSONAndMetadata?(textbus: Textbus, data: ComponentStateLiteral<T>, metadata: M): Component<T>;
}