/**
 * This one does not know how to render itself. Should be used in
 * conjunction with server-side rendered HTML.
 */
export declare class CodeBlock extends HTMLElement {
    static TAG: string;
    static observedAttributes: string[];
    codeEl: HTMLElement | null;
    copyButtonEl: HTMLElement | null;
    codeObserver: MutationObserver | null;
    buttonObserver: MutationObserver | null;
    constructor();
    attributeChangedCallback(name: string, _oldValue: string | null, _newValue: string | null): void;
    disconnectedCallback(): void;
    connectedCallback(): void;
    hydrate(): void;
    observeCode(): void;
    observeCopyButton(): void;
    syncPayload(): void;
    getCopyButtonLabel(): string;
    applyIconButtonA11y(): void;
}
export default CodeBlock;
export declare function define(): void;
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