import { LitElement } from "lit";
import "./shw-markdown";
/**
 * Hides optional Markdown or child document blocks behind a native disclosure control.
 *
 * @element shw-collapsible
 * @slot - Document blocks when content="blocks".
 */
export declare class ShwCollapsible extends LitElement {
    #private;
    static properties: {
        content: {
            type: StringConstructor;
        };
        open: {
            type: BooleanConstructor;
            reflect: boolean;
        };
        summary: {
            type: StringConstructor;
        };
    };
    static styles: import("lit").CSSResult[];
    /** Whether the disclosure starts open. */
    open: boolean;
    /** Label for the disclosure control. */
    summary: string;
    /** Body input: Markdown text by default, or slotted document blocks. */
    content: "markdown" | "blocks";
    protected render(): import("lit").TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        "shw-collapsible": ShwCollapsible;
    }
}