type Placement = 'top' | 'bottom' | 'left' | 'right';
type Align = 'left' | 'center' | 'right';
/**
 * `<dt-tooltip>` — framework-agnostic tooltip web component.
 *
 * Uses Shadow DOM with a `<slot>` for the trigger element.  The tooltip popup
 * is appended to `document.body` so it can escape overflow/clip ancestors.
 *
 * ## Attributes
 * - `content`   — tooltip text (required)
 * - `placement` — preferred side: top | bottom | left | right (default "top")
 * - `align`     — cross-axis alignment for top/bottom placements: left | center | right
 *                 (default "center")
 * - `delay`     — show delay in milliseconds (default 0)
 * - `disabled`  — when present, tooltip is suppressed
 *
 * ## Usage
 * ```html
 * <dt-tooltip content="Save file" placement="top">
 *   <button>Save</button>
 * </dt-tooltip>
 * ```
 */
export declare class DtTooltip extends HTMLElement {
    private _popup;
    private _showTimeout;
    private _tooltipId;
    private _visible;
    static get observedAttributes(): string[];
    get content(): string;
    set content(val: string);
    get placement(): Placement;
    set placement(val: Placement);
    get align(): Align;
    set align(val: Align);
    get delay(): number;
    set delay(val: number | string);
    get disabled(): boolean;
    set disabled(val: boolean);
    constructor();
    connectedCallback(): void;
    disconnectedCallback(): void;
    attributeChangedCallback(name: string, _old: string | null, _next: string | null): void;
    private _onEnter;
    private _onLeave;
    private _createPopup;
    private _hide;
    private _getTrigger;
    private _position;
}
export {};
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