import { EffectFunction } from "../internals";
import { ComponentFunction, Props } from "./types";
declare class RenderRoot {
    contextStack: Map<any, any>[];
    cleanupStack: (() => void)[][];
    currentCleanupFns: (() => void)[] | undefined;
    currentInstance: ComponentInstance | null;
}
export declare function effect(fn: EffectFunction): void;
export declare function setContext(key: any, value: any): void;
export declare function getContext<T>(key: any): T;
export declare function onMount(fn: () => void | (() => void)): void;
/** @deprecated Use return value of onMount for clean up functions */
export declare function onUnmount(fn: () => void, activeRoot?: RenderRoot): void;
export declare function h(tag: string | ComponentFunction, props: Props | null, ...children: any[]): Node;
export declare function appendChild(parent: Node, child: any, activeRoot?: RenderRoot): void;
type Disposer = () => void;
declare class ComponentInstance {
    progenitor: ComponentFunction;
    parent: ComponentInstance | null;
    children: ComponentInstance[];
    node: Node;
    protected contextMap?: Map<any, any>;
    protected disposeFns?: Set<Disposer>;
    root: RenderRoot;
    constructor(parent: ComponentInstance | null);
    getContext<T>(key: any): T;
    setContext(key: any, value: any): void;
    addDisposer(dispose: () => void): void;
    dispose(): void;
    static withNewChild<T>(worker: (current: ComponentInstance) => T): T;
}
export declare function createComponent(component: ComponentFunction, props: any, children: any[]): {
    node: Node;
    dispose: () => void;
};
export declare function render(component: ComponentFunction, container: HTMLElement): () => void;
export {};