import { type SensorState } from '@dg-kit/core';
import type { WebBluetoothConnectionContext, WebBluetoothSensorAdapter } from './base.js';
/**
 * Civet Edging Sensor (灵猫边缘控制传感器) — a barometric pressure sensor used
 * for edging control. Single-variant reading type on purpose: unlike
 * paw-prints (which can push several distinct event shapes), this device
 * only ever streams pressure samples. The `type` discriminant is kept anyway
 * so downstream consumers that fan-in readings from multiple sensor kinds
 * can still narrow on it.
 */
export interface CivetPressureReading {
    type: 'pressure';
    kPa: number;
}
type ReadingListener = (reading: CivetPressureReading) => void;
type StateListener = (state: SensorState) => void;
/**
 * Web Bluetooth adapter for the Civet Edging Sensor.
 *
 * Shares the exact same GATT skeleton as Coyote V3 (service 0x180C, write
 * 0x150A, notify 0x150B, battery 0x180A/0x1500) — only the application-layer
 * opcodes differ. See constants.ts for why no new UUIDs are declared.
 */
export declare class CivetPressureSensorAdapter implements WebBluetoothSensorAdapter<CivetPressureReading> {
    private readonly readingListeners;
    private readonly stateListeners;
    private state;
    private writeChar;
    private notifyChar;
    /** Tracks whether pressure streaming is currently on, so `setIndicatorColor` can re-send the `0x50` packet without flipping it. */
    private streaming;
    onConnected(context: WebBluetoothConnectionContext): Promise<void>;
    onDisconnected(): Promise<void>;
    getState(): SensorState;
    subscribe(listener: ReadingListener): () => void;
    onStateChanged(listener: StateListener): () => void;
    /** `0x50` pressure-reporting toggle: start streaming pressure notifications. */
    startPressureReporting(color?: number): Promise<void>;
    /** `0x50` pressure-reporting toggle: stop streaming pressure notifications. */
    stopPressureReporting(color?: number): Promise<void>;
    /**
     * Change only the indicator color. There is no dedicated "set color"
     * opcode in the documented protocol — `0x50` always carries both the
     * color and the streaming on/off byte together — so this re-sends `0x50`
     * with the current streaming state preserved, rather than the caller
     * having to guess by calling `startPressureReporting`/`stopPressureReporting`
     * (which would unintentionally start or stop the pressure stream as a
     * side effect of what's meant to be a purely cosmetic change).
     */
    setIndicatorColor(color: number): Promise<void>;
    /** `0x66` calibration: reset the pressure baseline to the current reading. */
    calibrateZero(): Promise<void>;
    /** `0x66` calibration: toggle the on-device screen rotation. */
    toggleRotation(next: 0x01 | 0x03): Promise<void>;
    private buildPressureReportingPacket;
    private write;
    private emitState;
    readonly handleNotification: (event: Event) => void;
}
export {};
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