/**
 * Shared dropdown controller interface
 */
export interface DropdownPosition {
    top: number;
    left: number;
    width: number;
    placement: 'bottom' | 'top';
}
export interface DropdownSpace {
    above: number;
    below: number;
    left: number;
    right: number;
}
/**
 * Host interface for components using dropdown functionality
 */
export interface DropdownHost {
    requestUpdate(): void;
    dispatchEvent(event: Event): boolean;
}
/**
 * Dropdown controller interface
 */
export interface DropdownController {
    readonly isOpen: boolean;
    readonly position: DropdownPosition;
    open(): void;
    close(): void;
    toggle(): void;
    calculatePosition(): void;
    resetPosition(): void;
    setElements(dropdownElement: HTMLElement, triggerElement: HTMLElement): void;
    getAvailableSpace(): DropdownSpace;
}
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