import { ComponentType, VNode } from 'preact';
import { FC } from 'preact/compat';
import { Island } from './island';
export declare type InitialPropsWebComponent = {
    [x: string]: any;
};
export declare const createIslandWebComponent: <P extends InitialPropsWebComponent>(elementName: string, widget: ComponentType<P>) => {
    render: (args: Omit<{
        selector?: string | undefined;
        clean?: boolean | undefined;
        replace?: boolean | undefined;
        inline?: boolean | undefined;
        initialProps?: Partial<P> | undefined;
        propsSelector?: string | undefined;
        elementName?: string | undefined;
    }, "replace" | "clean" | "inline">) => void;
    injectStyles: (style: string) => void;
    _rootsToObservers: WeakMap<any, MutationObserver>;
    _roots: any[];
    _executedScript: HTMLOrSVGScriptElement | null;
    props: P;
    rerender: (props: P) => void;
    destroy: () => void;
};
export declare const WebComponentPortal: FC<{
    name: string;
    container?: Element;
    children: VNode<{}>;
    style?: string | HTMLStyleElement;
}>;