export declare class PreConnectHost extends HTMLElement {
    /**
     * Entrypoint for resolving async services or dependencies
     * before the element renders its content.
     */
    protected loadRequiredServices(): Promise<void> | void;
    /**
     * Native callback whenever the element is connected to the DOM.\
     * Prefer using `connected` instead, as it is controlled by the class.
     */
    protected connectedCallback(): void;
    /**
     * Native callback whenever the element is disconnected from the DOM.\
     * Prefer using `disconnected` instead, as it is controlled by the class.
     */
    protected disconnectedCallback(): void;
    /**
     * Called when the element is connected to the DOM.
     */
    protected connected(): void;
    /**
     * Called when the element is disconnected from the DOM.
     */
    protected disconnected(): void;
}
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