import { type VNode, type Component, type ComponentChildren, type ComponentChild } from 'preact';
interface FiberNode<T = any> extends HTMLElement {
    ownerSVGElement?: null;
    fiber?: Fiber;
    containerInfo: T;
    hostConfig: HostConfig;
}
export interface Fiber<P = any, I = any, R = any> extends VNode<P> {
    __c?: Component & {
        __P: FiberNode<R>;
    };
    __e: FiberNode<R>;
    __: Fiber;
    __type?: string;
    stateNode?: I;
    type: string;
    container: FiberNode<R>;
    props: P & {
        children: ComponentChildren;
    };
    memoizedProps?: P & {
        children: ComponentChildren;
    };
    refCleanup: null | (() => void);
    sibling: Fiber | null;
    flags: number;
}
export interface HostConfig<Type = string, Props = Record<string, any>, Container = any, Instance = any, TextInstance = any, PublicInstance = any, HostContext = any, UpdatePayload = any> {
    createInstance(type: Type, props: Props, rootContainer: Container, hostContext: HostContext, internalHandle: Fiber<Props, Instance, Container>): Instance;
    finalizeInitialChildren(instance: Instance, type: Type, props: Props, rootContainer: Container, hostContext: HostContext): boolean;
    prepareUpdate?(instance: Instance, type: Type, oldProps: Props, newProps: Props, rootContainer: Container, hostContext: HostContext): UpdatePayload | null;
    getPublicInstance(instance: Instance | TextInstance): PublicInstance;
    appendChild?(parent: Instance, child: Instance | TextInstance): void;
    appendChildToContainer?(container: Container, child: Instance | TextInstance): void;
    insertBefore?(parent: Instance, child: Instance | TextInstance, beforeChild: Instance | TextInstance): void;
    insertInContainerBefore?(container: Container, child: Instance | TextInstance, beforeChild: Instance | TextInstance): void;
    removeChild?(parent: Instance, child: Instance | TextInstance): void;
    removeChildFromContainer?(container: Container, child: Instance | TextInstance): void;
    commitMount?(instance: Instance, type: Type, props: Props, internalHandle: Fiber<Props, Instance, Container>): void;
    commitUpdate?(instance: Instance, updatePayload: UpdatePayload, type: Type, prevProps: Props, nextProps: Props, internalHandle: Fiber<Props, Instance, Container>): void;
    commitUpdate?(instance: Instance, type: Type, prevProps: Props, nextProps: Props, internalHandle: Fiber<Props, Instance, Container>): void;
    [name: string]: unknown;
}
declare class FiberNode extends HTMLElement {
    setAttribute(name: string, value: any): void;
    appendChild<T extends Node>(node: T): T;
    insertBefore<T extends Node>(node: T, beforeNode: Node | null): T;
    removeChild<T extends Node>(node: T): T;
}
export interface Reconciler {
    createContainer<T>(containerInfo: T): FiberNode<T>;
    updateContainer<T>(element: ComponentChild, container: FiberNode<T>): void;
    createPortal(children: ComponentChild, containerInfo: any, implementation: any, key?: string | null): void;
    injectIntoDevTools(devToolsConfig: any): any;
}
declare const _default: (hostConfig: HostConfig) => Reconciler;
export default _default;