import { SvelteComponent } from "svelte";
type Container = HTMLElement;
type Key = string | number | symbol;
/**
 * Universal map to keep track of what portal a component wants to be in,
 * as well as its original limbo owner.
 *
 * DON'T MODIFY EXTERNALLY!
 * Doing so is **undefined behavior**.
 */
export declare let _components: Map<HTMLElement, {
    limbo?: HTMLElement | undefined;
    key?: Key | undefined;
}>;
export declare function teleport(component: Container, key: Key): Promise<void>;
declare const __propDef: {
    props: {
        key: Key;
        component: Container;
    };
    events: {
        [evt: string]: CustomEvent<any>;
    };
    slots: {};
};
export type PortalProps = typeof __propDef.props;
export type PortalEvents = typeof __propDef.events;
export type PortalSlots = typeof __propDef.slots;
export default class Portal extends SvelteComponent<PortalProps, PortalEvents, PortalSlots> {
}
export {};