import { DropdownController, DropdownPosition, DropdownSpace } from '../interfaces/index.js';
import { BaseSelectController } from './base.controller.js';
/**
 * Dropdown controller manages dropdown positioning, visibility, and interactions
 */
export declare class SelectDropdownController extends BaseSelectController implements DropdownController {
    private _isOpen;
    private _position;
    private _dropdownElement;
    private _triggerElement;
    /**
     * Check if dropdown is open
     */
    get isOpen(): boolean;
    /**
     * Get current dropdown position
     */
    get position(): DropdownPosition;
    /**
     * Open the dropdown
     */
    open(): void;
    /**
     * Close the dropdown
     */
    close(): void;
    /**
     * Toggle dropdown visibility
     */
    toggle(): void;
    /**
     * Focus the search input if searchable is enabled
     */
    private focusSearchInput;
    /**
     * Calculate optimal dropdown placement using fixed positioning
     */
    calculatePosition(): void;
    /**
     * Reset dropdown position
     */
    resetPosition(): void;
    /**
     * Set dropdown and trigger element references
     */
    setElements(dropdownElement: HTMLElement, triggerElement: HTMLElement): void;
    /**
     * Find dropdown and trigger elements
     */
    private findElements;
    /**
     * Apply calculated position to dropdown element using fixed positioning
     */
    private applyPosition;
    /**
     * Calculate available space around trigger
     */
    getAvailableSpace(): DropdownSpace;
    /**
     * Handle window resize to recalculate position
     */
    private handleResize;
    /**
     * Handle scroll to manage dropdown visibility and position
     */
    private handleScroll;
    /**
     * Host connected lifecycle
     */
    hostConnected(): void;
    /**
     * Host disconnected lifecycle
     */
    hostDisconnected(): void;
}
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