/**
 * The Nanoleaf `DeviceSource` (design.md D17, D22; tasks 6.5, 6.6).
 *
 * Nanoleaf has no push transport, so every device is refreshed on a
 * configurable interval; one unreachable device is marked unreachable and
 * logged without disrupting the refresh cycle for the others.
 *
 * The effect list is described as an enumerated writable capability whose
 * permitted values are the device's own reported effect list, refreshed
 * whenever that list changes — so the generic renderer needs no
 * Nanoleaf-specific handling to present it as a select control.
 */
import type { Logger } from "pino";
import type { NanoleafService } from "../services/nanoleaf-service.js";
import type { DeviceChangeListener, DeviceCommandOutcome, DeviceDescriptor, DeviceSource } from "./device-source.js";
export declare const NANOLEAF_SOURCE_ID = "nanoleaf";
/** Default poll interval for Nanoleaf devices, in milliseconds. */
export declare const DEFAULT_NANOLEAF_SOURCE_POLL_MS = 10000;
export declare class NanoleafDeviceSource implements DeviceSource {
    private readonly nanoleaf;
    private readonly logger;
    private readonly pollIntervalMs;
    readonly id = "nanoleaf";
    private readonly listeners;
    private readonly tracked;
    private pollTimer;
    constructor(nanoleaf: NanoleafService | null, logger: Logger, pollIntervalMs?: number);
    get available(): boolean;
    start(): void;
    stop(): void;
    list(): DeviceDescriptor[];
    get(deviceId: string): DeviceDescriptor | undefined;
    command(deviceId: string, properties: Record<string, unknown>): Promise<DeviceCommandOutcome>;
    subscribe(listener: DeviceChangeListener): () => void;
    /**
     * One poll tick over every registered device. Per-device errors are caught,
     * logged, and marked unreachable so one unreachable device cannot abort
     * the tick or block the others being refreshed.
     */
    private poll;
    private notify;
    private toDescriptor;
}
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