import { PlatformAccessory } from "homebridge";
import { Button } from "./model/button.js";
import { PlejdHbPlatform } from "./PlejdHbPlatform.js";
import { PressType } from "./ButtonPressDetector.js";
/**
 * Button Accessory — supports two modes:
 *
 * **Grouped mode** (expand_buttons=false, default):
 *   All Plejd buttons across all physical devices are grouped into a single
 *   HomeKit "Plejd Remote" accessory with multiple StatelessProgrammableSwitch
 *   services. Each button service is named after what it controls.
 *
 * **Expanded mode** (expand_buttons=true):
 *   Each button becomes its own accessory with a single
 *   StatelessProgrammableSwitch service. The accessory name is the button name,
 *   which Home Assistant uses for entity naming.
 */
export declare class PlejdHbButtonAccessory {
    private readonly platform;
    private readonly accessory;
    private readonly buttonServices;
    /** The button this accessory represents (expanded mode only). */
    readonly button?: Button;
    /** All buttons in this accessory (grouped mode only). */
    readonly buttons?: Button[];
    /**
     * Create a grouped-mode accessory (all buttons in one "Plejd Remote").
     */
    static createGrouped(platform: PlejdHbPlatform, accessory: PlatformAccessory, buttons: Button[]): PlejdHbButtonAccessory;
    /**
     * Create an expanded-mode accessory (single button per accessory).
     */
    static createExpanded(platform: PlejdHbPlatform, accessory: PlatformAccessory, button: Button): PlejdHbButtonAccessory;
    private constructor();
    private initExpanded;
    private initGrouped;
    firePressEvent(deviceAddress: number, buttonIndex: number, pressType: PressType): void;
    /**
     * Remove cached StatelessProgrammableSwitch services that no longer match
     * any button in the current config (handles removed buttons and legacy
     * per-device accessories that had different subtypes).
     */
    private removeStaleServices;
    private pressTypeToCharacteristicValue;
}