/**
 * Web Bluetooth-backed `OpossumClient`. Wraps `OpossumVibrateAdapter` the
 * same way `WebBluetoothDeviceClient` wraps `CoyoteProtocolAdapter` for
 * Coyote, minus the auto-reconnect option (see `aux-device-connect.ts`'s
 * doc comment for why that's intentionally out of scope here).
 */
import type { OpossumCommand } from '@dg-kit/core';
import { type OpossumClient, type OpossumCommandResult, type OpossumState, type OpossumButtonEvent } from '@dg-kit/protocol';
import type { BluetoothDeviceLike, BluetoothRemoteGATTServerLike, NavigatorBluetoothLike, RequestDeviceOptionsLike } from '@dg-kit/protocol';
export interface WebBluetoothOpossumClientOptions {
    navigatorRef?: NavigatorBluetoothLike;
    /** Overrides the default opossum-only scan filter — mainly for tests. */
    requestDeviceOptions?: RequestDeviceOptionsLike;
}
export declare class WebBluetoothOpossumClient implements OpossumClient {
    private readonly options;
    private readonly adapter;
    private readonly listeners;
    private device;
    constructor(options?: WebBluetoothOpossumClientOptions);
    connect(): Promise<void>;
    /**
     * Attach to an already-obtained `(device, server)` pair instead of
     * running this client's own chooser prompt — see
     * `aux-device-connect.ts`'s `attachAuxDevice()` doc comment.
     */
    connectDevice(device: BluetoothDeviceLike, server: BluetoothRemoteGATTServerLike): Promise<void>;
    disconnect(): Promise<void>;
    getState(): Promise<OpossumState>;
    execute(command: OpossumCommand): Promise<OpossumCommandResult>;
    emergencyStop(): Promise<void>;
    setIndicatorColor(color: number): Promise<void>;
    onStateChanged(listener: (state: OpossumState) => void): () => void;
    subscribeButtons(listener: (event: OpossumButtonEvent) => void): () => void;
    private readonly handleGattDisconnected;
    private emit;
}
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