import { MiuraElement } from '@miurajs/miura-element';
export declare class MuiPopover extends MiuraElement {
    static properties: {
        open: {
            type: BooleanConstructor;
            default: boolean;
            reflect: boolean;
        };
        placement: {
            type: StringConstructor;
            default: string;
            reflect: boolean;
        };
    };
    open: boolean;
    placement: 'bottom-start' | 'bottom-end' | 'top-start' | 'top-end';
    static styles: import("@miurajs/miura-render").CSSResult;
    connectedCallback(): void;
    disconnectedCallback(): void;
    show(): void;
    close(): void;
    toggle(): void;
    private onDocumentPointerDown;
    private onDocumentKeydown;
    template(): import("@miurajs/miura-render").TemplateResult;
}
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