declare class MyParent extends HTMLElement {
    private state;
    stateName: string;
    static get observedAttributes(): string[];
    attributeChangedCallback(attrName: string, oldVal: string | null, newVal: string | null): void;
    constructor();
    connectedCallback(): void;
    disconnectedCallback(): void;
    handleChildUpdate(event: CustomEvent): void;
    render(): void;
}
export default MyParent;