import { LitElement, TemplateResult } from 'lit';
/**
 * @csspart copy-button - copy button
 *
 * @cssprop --code-button-active-color - button background when focused
 * @cssprop [--code-button-background=var(--markdown-table-row-odd-background-color)] - button background
 * @cssprop [--code-button-color=inherit] - button text color
 * @cssprop [--code-button-focus-background=var(--primary-lines-color)] - button background when focused
 * @cssprop [--code-button-focus-color=inherit] - button text color when focused
 * @cssprop [--code-border-radius=6px] - border radius for code-copy and code-tabs
 *
 * @slot copy-icon - Button content
 * @slot success-icon - Button content which alerts on copying. Use `role="alert"` if overriding default.
 * @event {CustomEvent<string>} copy - when successfully copying
 */
export declare class CodeCopy extends LitElement {
    static readonly is = "code-copy";
    static readonly styles: import("lit").CSSResult[];
    static readonly shadowRootOptions: ShadowRootInit;
    static copyIcon: TemplateResult<1>;
    /** The element to copy text from. */
    host: HTMLElement;
    success: string;
    /** Number of milliseconds to wait after successfully copying before restoring the copy button's icon to 'pending'. */
    timeout: number;
    render(): TemplateResult;
    private onCopy;
}