export type CreateElementAttrs<TagName extends keyof HTMLElementTagNameMap> = {
    [key in keyof HTMLElementEventMap as `on${key}`]?: (this: HTMLElementTagNameMap[TagName], evt: HTMLElementEventMap[key]) => void;
} & {
    [key: string]: any | undefined;
};
export declare function createElement<TagName extends keyof HTMLElementTagNameMap>(tag: TagName, attrs?: CreateElementAttrs<TagName> | string | null, children?: (Node | string)[] | string): HTMLElementTagNameMap[TagName];
export declare function createText(text: any): Text;
export declare function isDocumentFragment(value: Node): value is DocumentFragment;
export declare function createFragment(...children: (Node | string)[]): DocumentFragment;
export declare const passiveSupported: boolean;
export declare const passiveCaptureOptions: boolean | Readonly<{
    passive: true;
    capture: true;
}>;