import { BaseColorPickerController } from './base.controller.js';
import type { DropdownController, DropdownPosition } from '../interfaces/index.js';
/**
 * Dropdown controller manages the colorpicker dropdown positioning, visibility, and interactions
 */
export declare class ColorPickerDropdownController extends BaseColorPickerController implements DropdownController {
    private _isOpen;
    private _position;
    private _dropdownElement;
    private _triggerElement;
    private _scrollHandler;
    private _resizeHandler;
    /**
     * Check if dropdown is open
     */
    get isOpen(): boolean;
    /**
     * Get current dropdown position
     */
    get position(): DropdownPosition;
    hostConnected(): void;
    hostDisconnected(): void;
    /**
     * Open the dropdown
     */
    open(): void;
    /**
     * Close the dropdown
     */
    close(): void;
    /**
     * Toggle dropdown visibility
     */
    toggle(): void;
    /**
     * Find dropdown and trigger elements
     */
    private findElements;
    /**
     * Calculate optimal dropdown placement
     */
    calculatePosition(): void;
    /**
     * Apply calculated position to dropdown element
     */
    private applyPosition;
    /**
     * Reset dropdown position
     */
    private resetPosition;
    /**
     * Setup scroll and resize listeners for repositioning
     */
    private setupScrollAndResizeListeners;
    /**
     * Cleanup event listeners
     */
    private cleanup;
}
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